Been sitting on an idea and want outside opinions before I sink more time into it. The problem: I keep running into situations where I need something for a short window a specific tool, a piece of equipment, someone who knows how to fix a thing, a quick favor and buying it outright doesn't make sense, but there's no easy way to find someone nearby who already has it and would lend/help for a bit of cash or a trade. Craigslist/OLX-style listings feel too slow and impersonal for this. Nextdoor...