Unless what you're selling isn't easy to take out of your house, once you give someone your home address you can no longer hide from them as they can show up anytime they like
Or they can expose your address online like I did to this guy
https://www.reddit.com/r/Advice/comments/bzduc0/anyone_who_interacts_with_promod_on_kijiji/---
If locking online play behind a paywall with irrelevant games is a service then bricking your phone and not removing the brick without a fee is also a service.