I do think that would be neat but wonder how payments might be integrated from a technical perspective. I also wonder if there are any regulations that would get in the way or if it would even apply to something like that.

Edit: also, if people buy something then the instance goes offline. That would be another issue to figure out.

That would be neat. It would also be really nice to have some kind of community notes section where you can info on parking, best times to go, etc. Especially for tourist destinations.

That would be neat. Able to get the info you want without the constant ads or emails from Nextdoor.

Yeah. Chromium has something like > 30 million lines of code. Browsers these days are like mini operating systems in a way.