The Locations tab layers physical shelf locations onto your TCGplayer inventory — which box, shelf, or divider each card lives in, printed on your packing slips at pick time. It augments your inventory; it never touches your listings or prices.
Open a TCGplayer product or inventory page and the top card shows that card’s holdings across your locations. On other pages it tells you quietly where it can help. Every page detection reports its status — never a silent blank.
One location picker at the top of the tab qualifies every card you enter. Search your shelf names or create one — typing shows an explicit “✓ Use…” confirm. Manual add lives right below it, so there’s never a second competing location field.
On TCGplayer’s Staged Inventory page, the panel reads the rows and offers them as a pile: “Found 24 staged items → Stage all.” Nothing reaches your ledger until you click Commit — and rows you’ve already committed are recognized, so a revisit never double-counts. You can also validate the pile against the page’s own CSV export before committing.
The session list groups entries into time-clustered batches with location dividers. Click a row (or multi-select a group) to move stock to a different location; past sessions get an edit view where changes stage locally and nothing hits the server until Save. A partial move reads honestly — “moved 2 of 4” — never a pretend success.
Each slip line shows where its card lives. Split stock prints every location, with “(pick)” on the alphanumerically first — pull from the pick and your per-location counts stay true. Buying a label consumes the picked copies automatically, so the next order for the same card prints the updated location.
The footer totals open a self-audit view: big on-hand number, weekly deltas, a by-location table — and an integrity check that insists ledger math equals the map. Any gap is shown loudly with both raw numbers, never hidden; “Record as pre-ledger baseline” squares an honest starting point. CSV uploads (a TCGtracking export or a TCGplayer inventory export) live here too — merged into what you have, never clobbering it.