Cars were, are, and will always be, they will always break down and fight on the roads, and what else is needed for a successful vision of your business
We will not tell you that you can wash them in your yard (everyone has buckets and rags, right?).
Cars will always break down, and people will always eat
But this case is definitely suitable for your garage and is a business under $100,000
bottom line is that people are lazy and will always be happy if someone delivers them coffee/food /table