📚 Sell Used Media

Inventory 0

Add an item

Media typeBookMovieVideo gameISBN

Scan barcodeLook up

No barcode enteredTitle *

Author first nameAuthor last name

Free movie/game barcode lookup settings

Cloudflare lookup Worker URL

Save lookup URLTest lookup Worker

Configure your free Worker once to enable movie and game lookups.

ConditionGoodLike NewVery GoodAcceptablePoorStorage location

Purchase cost ($)Asking price ($)

Item weight (ounces)

Enter item weight without packaging; add packaging weight when pricing. Take up to four photos. Each is compressed before saving. Existing photos are kept when editing unless replaced.

1. Front cover2. Back cover3. Spine4. Interior pages

Save item

Product details

Packaging selection

Packaging supplies load after Google sign-in.

Reverse Profit Calculator — eBay US

Regular seller, no Store subscription. Buyer-paid shipping is the default. Fees below are editable estimates, not live eBay quotes. Sales tax and optional promotions may increase fees.

📦 Packaging Supplies Inventory

Record each purchase as a separate batch. Unit cost includes delivery and tax. Sign in with Google and use Synchronize now to refresh supplies across devices.

Packaging activity

🧾 Monthly Expenses

Keep original receipts on your PC. Enter only a filename or reference here; no receipts are uploaded. Packaging purchases are listed automatically from Packaging Inventory and must not be entered again as manual expenses.

Yearly monthly totals

Sales & Profit Reports

Manual sales across all channels. Profit = sale price + buyer shipping paid − item purchase cost − marketplace fees − postage − packaging − other expenses − refunds. Sales tax collected for a marketplace is excluded; enter amounts consistently.

Sync settings

Sign in with the same Google account on Android and Windows. Changes saved offline are queued for synchronization when internet returns.

Test your connection before Google Sign-In. Never share the full key.

Local mode

Google sign-in requires internet. Offline use works after the app has been opened and cached on your device.

Backup

Export a backup regularly to G:\sell\Backups on Windows. Browser storage is not a permanent backup; don't clear site data with unsynchronized changes.

Before using Android, deploy this folder to HTTPS and add that URL to Supabase Authentication → Redirect URLs. The Windows localhost address does not work on your phone.