Reseller craft, honest math.
Guides and teardowns for people who flip, store, list, and ship real inventory.
The 1099-K threshold for resellers in 2026 — what actually changed
The 1099-K threshold rules shifted again for 2026. Here's the real number, what platforms are required to report, and the paperwork that quietly ruins your tax season if you ignore it.
How to avoid double-sales when cross-listing (the real fix)
Cross-listers promise auto-delist but fail when your computer sleeps, Chrome updates, or the marketplace pushes a UI change. Here's why, and how to actually stop double-sales.
Cost basis per item vs per lot — why your profit math is lying to you
Dividing a $140 lot evenly across 20 items is how most resellers end up with spreadsheet profit that doesn't match their bank account. Here's what real cost basis looks like.
Why resellers outgrow spreadsheets (and what to use instead)
A working spreadsheet is the first step. Losing track of 50 items is the second. Here's when to switch, and what breaks if you wait.
What you actually take home on eBay in 2026
Final value fee, promoted listings, shipping, insertion fees. A worked example on a $40 sale, and why sub-$20 items quietly lose you money.
Poshmark vs eBay: which actually pays more on a $40 sale?
Poshmark's 20% feels worse than eBay's 13%, but eBay adds shipping, per-order fees, and promoted listings. A side-by-side on the same item.
Your real profit margin is probably 12%, not 40%
COGS isn't just the price you paid. Mileage, supplies, shipping write-offs, returns, platform fees. Here's what's missing from most resellers' math.