@thyname-
"More likely a personal item kinda thing, that you cannot take a tax loss for, or a hobby classification."
Read the second paragraph under, "Who Will Receive Form 1099-K in the Future?", of the article below*.
If you are 1099ed: you're being considered in business, to one degree or another.
If you're being taxed on the sale of ANY asset, the initial cost of the asset (as well as sales fees, shipping, etc) should be deducted to determine your tax liability, unless you just like paying something you don't owe.
Any business I've ever conducted, has been taxed account to profit/loss statements (Schedule C).
* https://news.bloombergtax.com/tax-insights-and-commentary/new-form-1099-reporting-coming-in-2022
Here's what the current administration would LIKE to do: