Start-up idea: Marketplace for mechanics to help buyers purchase used cars

I am thinking about a marketplace that would help buyers who know nothing about cars evaluate if a second hand car is a good buy or not. You could create a profile and post the 3-4 cars you are considering. Post details of their make, model, price and pictures or a video of the car and the engine. You could then post a bounty for a mechanic to help you out, with a reward of say $50 (or whatever you choose). Then similar to 99 designs, mechanics from all around the world could submit their reviews and advice on the cars. Giving you questions to ask, feedback on your pictures and prices, links to other cars or whatever you may need to help you make a decision. At the end of the process, you reward the most helpful mechanic the $50 prize. I imagine this would be a great way for mechanics from all around the world to earn some extra cash and an easy way for buyers to protect themselves from getting ripped off on a shitty car that could potentially cost them thousands. If you know of anyth
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