No way that's ever going to happen. Online store with goods priced in XMR means having a web shop. Having a web shop means you're now a company accepting payments from strangers, offering escrow, refunds, warranty, all the works. Like tiny Amazon.
Because you're a company now, KYC regulations apply, and then why would anyone want to use XMR? If you're leaving your personal information, then just use eBay or credit cards.
If you're a "cancelled" person who cannot use banks anymore, then use gift cards for buying stuff instead of credit cards, and you're golden.