Online platforms
eBay
eBay Store vs No Store: When the Subscription Actually Pays
A reseller's spreadsheet-grade breakdown of when an eBay Store subscription pays for itself, with month-by-month math across Starter, Basic, and Premium tiers.
Etsy
Etsy's 20-Year Vintage Rule: What You Can (and Can't) List
Etsy requires vintage items to be at least 20 years old. Here's how the rule actually gets enforced, what trips resellers up, and a practical dating playbook for booth and online sellers.
Facebook Marketplace
Facebook Marketplace Furniture Flips: The Margin Reality
Twelve real furniture flips through Facebook Marketplace—purchase, refinishing, sale price, hours, and hourly profit—plus which styles pencil out and which waste gas.
Mercari
Mercari vs Poshmark: Where Should You List First?
A side-by-side look at Mercari and Poshmark for clothing and accessories—fees, buyer behavior, velocity, time cost, and a practical matrix for which platform to list first.
Poshmark
Poshmark Sharing: How Many Hours Actually Move the Needle?
A six-week closet experiment on Poshmark sharing cadence—hours per week vs sales lift, sell-through, and where extra sharing stops paying for itself.
Whatnot
Whatnot Live Selling: The Real Economics Behind a Show
Ten Whatnot shows broken down—GMV, fees, Boost spend, prep time, and dollars per hour—plus where new live sellers leak margin in fast auctions.
Niches
Toys & collectibles
Funko Pop Flipping: Is It Still Worth It in 2026?
A 2026 reality check on Funko flipping—average resale collapse vs pockets that still move, with tier-by-tier verdicts and aging discipline for slow sellers.
Vintage clothing
How to Identify a Valuable Vintage Band Tee in 30 Seconds
A fast triage guide for vintage band T-shirts—tag era cues, screen ink tells, blank identification, and a tiered resale map with bootleg warnings.
Books
Scanning Books for Resale: Which Apps Actually Pay Off?
ScoutIQ vs Scoutly vs Bookscouter vs the Amazon Seller app—cost, signals, offline mode, and the monthly scan volume where subscriptions break even.