https://github.com/bbatsov/rubocop FTW. Integrate it into your test suite and you can see your mistakes before you push up a change for your team to see.
You mean... If you make yourself sound like a somewhat normal and interesting person people will want to live with you? I don't understand how this was a breakthrough for you.
I would hardly call this an MVP. The site isn't really useable in it's current state. It's a list of cars, with a price and no sorting, filtering, really anything...
Even after i click on a car all it does is show me pictures of it... Not even correlated pictures but it looks like you took the first 5 images off Google. Most of them don't even have pictures of the interior.