@JonathanReez if you are even just a mid average driver, you don't scratch a car by driving it for a few hours, no need to be a perfect driver. Anyway, solution is easy: rent from major companies. No company can became big in a business while openly scamming his customers (ok, Apple aside), so if you rent from big rentals you can be assured they will not try to make money that way.
That said, part of the rental car business is being able to deal with vehicles wear. Well, actually it's the bigger part, rental companies do not make moneys from rental, they make money from a good management o…