Buying & selling

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• COSRX The Vitamin C 13 Serum: How Many Drops, When to Use It, and Whether It Goes Before or After Toner and MoisturizerCOSRX The Vitamin C 13 Serum looks simple until you actually hold the bottle.
• Are Japanese Shareholder Perks a Glitch? PayPay, Restaurants, Travel, Kiritani on a Bicycle—and Why 10,000 AEON Shares Still Do Not Make Shopping 100% OffJapanese companies often offer shareholder perks in addition to cash dividends.
• A Whole Pack of Grilled Eel for ¥800? Why Japanese Eel Rice Costs ¥3,000A whole grilled eel at a Japanese supermarket costs ¥1,000. Add a 20% discount sticker, and suddenly it is ¥800.

This week’s archive picks

Each week we rotate in a few older articles from this theme, taking turns through all of them.

• Why is a five-minute-shelf-life cream crepe so memorable? InuyamaThere is a dessert shop you can almost rediscover even after forgetting its name.
• List price is the final boss: free models, mystery meals, dealsYou can book a haircut at the normal rate, eat at a restaurant like everyone else, buy products at retail, and pay full price for a facial.
• How do you centralize affiliate monetization across 12 languages without drowning in country-by-country accounts?The worst way to monetize a 12-language site is to create a separate affiliate operation for every language and every country, then manage all of those…
• Why Do Mental Health Clinics Require Masks, and Can They Refuse You for Not Buying One?Even now, you may walk into a mental health clinic or hospital in Japan and hear this at the front desk:
• Shareholder Perks With Outrageous Value: Japan and OverseasI am the “look at this” guy.
• 7x Leverage on BTC: Liquidation, Take Profit, and 250 USDTBTC is around 86,500 USDT.

All “Buying & selling” articles, newest first

Newest first

• Why Replace an Itemized Receipt With One That Hides the Purchase?You buy a pen, a notebook and a suspiciously large snack. The till prints the items, prices, tax and total. Then someone asks for a more “official” receipt.
• Headquarters: Bed. Meeting Room: Voice Input. Factory: AI. — The Productivity Glitch of “Doing Nothing (While Actually Doing Something)”One day, a resale specialist was outside checking unwanted items to see what could still be sold.
• Where Is the Key for Automatically Downloading Awin’s Product List?You run an automation script for Awin product feeds.
• do not just speed up tasks—shorten how long undecided tasks live in your headThe expensive part of a ten-minute complaint is often not the ten minutes.
• Can Membership Alone Create an Advantage? Evaluating the “Membership Edge” by Usage FrequencyMembership value goes beyond discounts.
• Another Food Business I Never Visited Is Disappearing“Why do food places and drinks I never buy have such a suspicious tendency to disappear?”
• Another Food Business I Never Visited Is Disappearing“Why do food places and drinks I never buy have such a suspicious tendency to disappear?”
• 10,000 Blog Pageviews a Month: Why the Traffic Win Can Still Pay So LittleDescription: How much money does a blog make with 10,000 monthly pageviews?
• Hollow Knight: Silksong Physical Edition Delayed: Is Sea of Sorrow Now on the Cartridge?Description: Silksong's boxed release has shifted to November. Does that mean the expansion is included, or has the DLC's release date quietly been confirmed?
• Steam Family Games Suddenly Show on Your Public Profile. Do You Own Them Now?Description: Players report borrowed Steam Families games appearing on their public Games tab.
• Give Me Back My “Whoa, Cheap!” — Why ¥199 per 100 g on Shine Muscat Grapes and Meat Feels So MisleadingYou walk past a display of Shine Muscat grapes and see a huge “¥199.”
• Are Japanese Shareholder Perks a Glitch? PayPay, Restaurants, Travel, Kiritani on a Bicycle—and Why 10,000 AEON Shares Still Do Not Make Shopping 100% OffJapanese companies often offer shareholder perks in addition to cash dividends.
• COSRX The Vitamin C 13 Serum: How Many Drops, When to Use It, and Whether It Goes Before or After Toner and MoisturizerCOSRX The Vitamin C 13 Serum looks simple until you actually hold the bottle.
• Will Japanese Joy-Con 2 Work With a US Switch 2? The Warranty CatchDescription: Buying Nintendo Switch 2 controllers in Japan for a US console sounds simple.
• SpongeBob SquarePants: Titans of the Tide — Is It Really a New October 2026 Switch 2 Release?Checked October 12, 2026. Spoilers: only the premise shown on the official store page. No.
• Steam Deck Verified but Your Game Still Has Issues—What Does the Green Check Actually Mean?Description: Valve tests controls, readability, launchers and system compatibility before awarding Deck Verified.
• A Whole Pack of Grilled Eel for ¥800? Why Japanese Eel Rice Costs ¥3,000A whole grilled eel at a Japanese supermarket costs ¥1,000. Add a 20% discount sticker, and suddenly it is ¥800.
• The Sims 4: Your Marketplace Kit Says “Not Owned” in the EA App—Did You Lose It?Checked October 13, 2026. No gameplay spoilers. A Kit bought through The Sims 4 Marketplace can show as unowned in the EA app without being lost.
• The AI Built More Checks Than Products: Why Finishing First Matters“Let's add another check.” “What about an edge case?” “Shall I look for more improvements?” You asked a brilliant AI to deliver a product.
• Twelve Frozen Gyoza for ¥215: Bargain Dinner or a Vegetable Serving?A Japanese supermarket has a pack of 12 frozen gyoza for ¥215 .
• An Airplane Idea, a Game in Four Days, and a One-Person Global BusinessPicture a business preparing content in twelve languages, automating its articles, testing ads and affiliate links, building a party game, and emailing…
• Kasutadon: Seven or Ten Days? The Missing Date MysteryKasutadon is a fluffy steamed cake filled with custard cream, a famous souvenir from Kagoshima, Japan.
• Check Your Receipt: A Missed 40% Discount Can Cost More Than Reward PointsYou buy a few marked-down items, pay, and have a small reaction:
• If Readers Don't Finish Your Article, Don't Sandwich the Text in Ads: Selling the Empty Space Beside the Content on Desktop (Adsterra)You put an ad on your article site.
• Why Do Mental Health Clinics Require Masks, and Can They Refuse You for Not Buying One?Even now, you may walk into a mental health clinic or hospital in Japan and hear this at the front desk:
• I Love McDonald's and Saizeriya, but I Still Want a 10,000-Yen French Meal: Trying Food I've Never Had, for LessI'm not trying to become a gourmet.
• How Can a Small Shop Feel More Welcoming? Useful Shelf Labels and Approachable StaffImagine a small gift shop.
• Is a 20,000-Yen 1TB SSD “Cheap”? 5-Year Prices and M2 Mac TimingI want a 1TB external SSD that plugs into my M2 Mac over USB.
• Is Cheap Land Plus a New Rental Building Better Than an Old Apartment Block?A listing promises a 12% gross yield.
• Can You Load an Apple Gift Card onto ICOCA? My 3000 Yen Lesson in Not GooglingJR West, the railway company behind ICOCA, says you can top up ICOCA in Apple Pay with a credit, debit or prepaid card (and similar) in your own name that…
• Should You Sell Every Item Before Moving? Your Bookshelf Says NoA forgotten figure turns up while packing. An Amazon seller app recognizes it. Brilliant: one scan, and the clutter is practically money.
• Self-Checkout Is Convenient, but I Hate That Only Mistakes Get Treated Like CrimesSelf-checkout lanes are everywhere now.
• Why Packed Shelves Are Fun at Don Quijote but a Mess at HomeThe gummy aisle at Don Quijote, the Japanese discount chain, is basically a decision-making test.
• Which of Mie's 6 AEON Malls Is the Most Fun to Wander?Mie Prefecture has six malls in AEON's official "AEON Mall" category (AEON is Japan's biggest mall and supermarket operator):
• "Just a Quick Look, Please": A Home Tour That Taught Me Something AnywayI was out for a walk and decided to stop by a house on display nearby.
• Answering “Aren’t You Rich, Boss?” With VTuber Merch: Shigure Ui’s Art Reproductions Alone Cost 3.31M YenIn September 2026, a company owner posted on X that when people ask "You're a president, so you're rich, right?", he answers that he couldn't even buy every…
• Can Yakult 1000 Actually Make Irritation Go Away?Some people say they sleep better after drinking Yakult 1000 (a probiotic milk drink sold in Japan, also called Y1000).
• Shareholder Perks With Outrageous Value: Japan and OverseasI am the “look at this” guy.
• 7x Leverage on BTC: Liquidation, Take Profit, and 250 USDTBTC is around 86,500 USDT.
• Why Did Japan's Bubble-Wrap Maker Rename Itself PutiPuti? The Product Outgrew the CompanyImagine answering the phone at a packaging-materials factory: “Hello, you've reached PutiPuti.”
• Why promoting best-sellers fails: what affiliate revenue needsWhen people start thinking about affiliate marketing, the first instinct is often to ask: “What products sell the most?”
• The 199-yen-per-100g trap: why "so cheap!" becomes "per 100g?"A sign shows a huge “¥199.”
• One Person Can Now Run an AI Quant Lab: What Remains Is Ideas and the BillThe interesting part of autonomous investing is not asking a chatbot what to buy today.
• Cake Police gets 40% off, then heads for the freezer: chocolate packsA cake is sitting in the supermarket with a 40% discount sticker.
• Can you earn without ads? Building ad-blocker-proof revenueThe strongest way to deal with ad blockers is not to beat the blocker.
• Affiliate marketing is wiring work: Awin, Amazon, OneLink, three salesAffiliate marketing initially looks almost embarrassingly simple: paste a product link and earn commission.
• What is ceramide, really? Skincare sorted by function, not labelAt a drugstore, the vocabulary becomes chaotic fast.
• Claude Max 5x vs 20x: you get 4x the 5-hour limit, but nobody says the weekly limit is 4xOnce you run enough Claude Code jobs, a second game starts. It's not about coding anymore. It's about watching your usage meter.
• Which closures are bad news? Reading a mall's healthWalk through the same shopping mall often enough and you start noticing strange substitutions.
• Does DEX arbitrage need suckers? Bot races vs lasting frictionDEX arbitrage sounds trivial: buy the same asset where it is cheap and sell where it is expensive.
• Why Do Retail Workers Meet Customers You Never See?“A customer demanded a refund without even bringing the item back.”
• I lost my ED medication and my wallet collapsed first: real costs“I put the pills somewhere.”
• I wanted to sell my SIXPAD and PC. The dealer said to dispose of them myselfI had a batch of unwanted items checked by a secondhand dealer.
• Is ¥5 Million in Rent Really “Money Thrown Away”? For One or Two People, Buying Only the Space You Actually Use Can Be SmarterHearing, “You paid a total of ¥5,000,000 in rent,” can make the number feel painfully large.
• The Don Quijote gummy aisle is reverse minimalism: take one bag homeWalk into a Don Quijote gummy aisle and the first reaction is simple: there are too many choices.
• Apita Yokkaichi: Is 20% Off Supermarket Food Better Than a Restaurant?You came to Tonarie Yokkaichi to choose dinner. Mapo tofu? Curry udon? Sushi?
• I paid ¥2,000 for small moving chores—and cleared my mental to-do listAfter moving, the enemy was a swarm of tiny errands: shopping, buying a laundry pole, disposing of two large recycling boxes, adjusting a monitor, replacing a…
• “It still works” keeps even mystery cables living in your homeA cable with no known device to plug into.
• Why buying fewer small things works: two boxes, 500 yen, exit costsBefore a move, I sent two cardboard boxes of small possessions to a buyback service.
• How do you centralize affiliate monetization across 12 languages without drowning in country-by-country accounts?The worst way to monetize a 12-language site is to create a separate affiliate operation for every language and every country, then manage all of those…
• Is the cheapest used car the best value? Wagon R and Aqua surviveIf a used car will be kept for many years and resale value barely matters, the math changes.
• If AI makes everything, who buys it? Demand after cheap labor“Soon, if you cannot pay hundreds of dollars a month for generative AI, you will not be able to compete in business.”
• Why Does a Yogibo Store Look Empty? Three Things Foot Traffic Can't Tell YouThe mall is packed.
• Minamioguni voucher and Kyushu recovery discount: can they stack?Travel-support campaigns can produce a very specific sequence of thoughts.
• List price is the final boss: free models, mystery meals, dealsYou can book a haircut at the normal rate, eat at a restaurant like everyone else, buy products at retail, and pay full price for a facial.
• Can Amazon FBA make decluttering easy? Barcodes, FC splits, wallsWhen you declutter before or after a move, boxes quickly fill with books, games, figures, small electronics, and miscellaneous goods.
• Why is a five-minute-shelf-life cream crepe so memorable? InuyamaThere is a dessert shop you can almost rediscover even after forgetting its name.
• Why does logistics choke in peak season despite automation?Buy ten things online and, from the customer side, almost nothing happened.
• Was UNO named after someone called Uno? Why shout it at one cardAfter staring at the word UNO long enough, a Japanese speaker can run into a strange bug: UNO starts looking less like a card game and more like the Japanese…
• How much does it cost to move a used PC desk? A 6,000 yen bargainFurniture shopping can take a strange turn.
• Joyfull’s “Water Surface Slash” beef: where’s the water?Joyfull calls it “Water Surface Slash” beef. The photo shows thin slices of meat.
• ChiikawaDid Kura Sushi cut prices to 110 yen over the Chiikawa scandal?On a weekday lunchtime visit, a huge red sign inside Kura Sushi practically demanded attention: “Founding-price revival: ¥100 before tax, ¥110 with tax.”
• Why Ask a Person Instead of Googling? Indonesia's “Human Search Engine” HypothesisPeople will buy an expensive phone. They will happily consider an iPhone. Then a tiny setup question appears—and instead of searching, they ask somebody.
• It’s Not an “8-Day Cooling-Off”: What to Do After Paying for a Faulty Flea-Market ItemIf an item you bought on a flea-market app arrives broken, the number to look for isn't "8 days."
• A 50-Year Mortgage Does Not Make a Home Cheaper — Debt, Rate Risk, and Japan’s FSA Scrutiny Explained Simply¥10m equity plus ¥40m debt buys a ¥50m property: leverage.
• "Otsutomehin" doesn't mean "thanks for your service": discount huntingThe Japanese word otsutomehin looks funny if you associate tsutome with “work” or “employment.”
• The Weekday Lunch Research Club — Hunting the Cheap Daytime Entrance to Expensive Restaurants in Higashi-MikawaRestaurant seats cannot be stored as inventory.
• Has Suzuki Changed How It Makes and Sells Things?Suzuki Plaza’s third floor looks peaceful: looms. Yet one loom opens into the entire company.
• Lunch Was Half Price. Then KALDI Added Snacks to the PlanLunch was simple: discounted potato salad and discounted sausages, both at half price.
• Who are the weekday couples at Ginza or AEON Mall?A couple strolling through Ginza on a weekday, stopping at a café and a department-store food hall, can look retired, independently wealthy, or free from…
• Shiruko Sand and Simmered Red Fish — A Spell That Gets Stronger After the ScreeningBefore the film opens, Sirens start appearing all over town.
• Why Are Empty Stores So Hard to Enter?When walking through a shopping mall, you sometimes see a store that looks interesting.
• Why Public Housing and Danchi Can Be So Cheap: Housing Priced to Sustain Life, Not Maximize the MarketWhen I walk near public housing or a danchi apartment complex at night, I sometimes find myself wondering:
• A Weeknight Solo Outlet Mall Food RouteOutlet malls are usually seen as places to buy clothes, shoes, and brand-name items.