I think nostr:npub1ajv7m32k0cpgzha32qszsh304qusjvwwmavus0ttktzldms4xzusuftppj and nostr:npub1w4swqedal6gcw23ndd93tkkdy3zj2l6zjdjvzrhu8rnw0k8lc8lswzprhz have the right of it. You'll still be able to buy more stuff with the same amount of Bitcoin in the future, first because technology will improve making it possible to make more stuff with less work, and second because saving your money means there's less demand on the stuff that's already been made.