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Or nextdoor. Which reminds me, I want to get more of my neighbors to join that.

YMMV with Nextdoor . THe only thing I can vouch for about my neighbors on Nextdoor is that they're all batshit insane racists.

Sounds like me might be neighbors.

Seriously boggles the mind what people are willing to say on Nextdoor.

Nextdoor already has classified ads. It's basically just like Craigslist, but with a smaller more local audience.