People can offer something of theirs instead — you choose what to accept. A straight swap has no fee.
Get it seen faster Optional
It shows up more often in the shop, with a small Sponsored tag — the higher the %, the more often. Nothing up front. Promoting never changes what buyers pay.
Off. Pick a % to promote it.
How will it get to them?
Box size — this is what the buyer pays for postage
Small is the usual box for most things — change it if yours is bigger or smaller.
The buyer pays $8 postage, and it comes to you with the sale. Buy a tracked label and drop it off — within 3 days of the sale, or the buyer is refunded automatically.