Car lift bay for hourly rental

And the reason you would have to charge $50 per hour is to cover the liability insurance.
It’s ALL about lawyers and insurance in business. You’re talking letting someone with unknown training and experience work on a 3000+ pound vehicle that is precariously perched above them with air tools and hand tools. It is a liability nightmare.
Liability insurance and tort exposure in a high risk venture have EVERYTHING to do with making a profit.