You clearly don't have enough cars. Once you get enough cars, especially if any of them are classic cars you actually want to drive occasionally and want to be in a driveable condition, you might want to have a full time mechanic.
I expect that's almost vanishingly rare. But, yes, that probably puts you in the very rich category.
I expect that's almost vanishingly rare. But, yes, that probably puts you in the very rich category.