Listing
What it is, in one sentence. This is the line on the card.
What it does and who it is for. Plain words; it is printed as you write it.
“$49 once” or “$12 a month”. It is printed as text.
The buy button opens this. It must be a public https link.
Something like how many were sold, with the date it was true. It is printed with its date and labeled self-reported.
The date the number was true.
Optional. When a Trade Up owner lists one of these, the sheet can point at your listing. Pick only what it replaces.
Printed on the card and on your maker line.
For the rate conversation after a first sale. Not shown publicly.
Linked from your maker line.
It stays a draft until one person reviews it. Once it is live, the listing page carries a link to report a sale.