There's a building for sale down the street for me that I've half-joked about buying to open a grocery store (and would accept bitcoin, of course). If only I were one of those Bitcoin billionaires you talk about, i'd have already done it.
I'm starting small with nostr:npub1c74n52sngtmceu96gxms7lsfcdz3gqsfla9swcdgt7wc0qw684zqfe2cj2 ...