I think the somewhat better ones use blanks that are in theory only sold to locksmiths (not to your typical hardware store/kiosk), but that's unlikely to matter

I think the somewhat better ones use blanks that are in theory only sold to locksmiths (not to your typical hardware store/kiosk), but that's unlikely to matter all that much. These days you can get keys made from a photo or two, or you can just spend some time watching Deviant Ollam's videos and likely have several other options for opening doors. Popping the pins is probably not a great approach for daily use though.