Earlier quoted context omitted.
There's another red flag I've seen: buyers ask to pre-pay on the spot without having seen the item. They usually want to use Zelle or Venmo, and say they're going to have a relative come pickup the item.
The Zelle thing is a huge red flag for me. I almost got scammed by a couple on Facebook Marketplace. They had a Mac Mini they were selling for about $20 less than the going rate I had found on ebay so I initiated contact and we agreed on the price. I asked how they do payment, Paypal, Venmo, Stripe? None of the above. The husband kept telling me sob stories about why they don't use any of them - only Zelle. I was lik…
I'm surprised you consider Stripe widely used among small, part-time sellers.
But if I were buying something to be mailed I would insist on either credit card payment or Paypal.