The 2026 refresh of the Oopbuy spreadsheet is more substance than surface. Five real changes reshape how the sheet gets used month over month.
Update 1: Stable category IDs
Category identifiers are now frozen for the year. Shoes are 911. T-shirts are 913. And so on through 921 for Other Stuff. Bookmarks made this year still resolve next year. Community QC threads keyed to those IDs no longer break with reshuffles.
Update 2: Coupon flow relocation
In 2025, coupons had to be applied at product checkout — confusing timing that caused failed discount stacks. In 2026 the coupon step moved to parcel submission. See the practical playbook for how this reshapes strategy.
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Update 3: Per-listing QC aggregation
Before 2026, community QC photos attached to order history. Researching a listing required hunting Discord threads. The 2026 sheet aggregates QCs on the listing page. Massive research quality improvement.
Update 4: Category pruning
About 15 percent of 2025 listings were removed as delisted or unreliable. The remaining 85 percent are in stock or on active restock cycles. Signal-to-noise went up.
Update 5: Mobile rebuild
Category browsing on phones was rebuilt from scratch. Filter chips replaced accordions; dropdowns no longer overflow on small screens. Mobile shopping went from painful to usable.
What did not change
- The eleven main categories remain the same set.
- The QC finder tool works the same way with better underlying data.
- Listing URLs still use category-XXX paths.
Should you re-open the sheet?
Yes, even if you shopped in 2025. Category stabilization alone justifies a fresh scroll. Open the homepage. For onboarding, read the practical handbook.
Return to our Oopbuy Spreadsheet homepage for the full library of guides and the latest sheets.