[comte7092]

When you don’t have a driver anymore you quickly run into an issue with keeping the vehicle clean.

One time having a drunken stranger puke in your car while you’re not using it will be enough for a lot of people to determine it isn’t worth the hassle.

It’s pretty easy to imagine a number of scenarios that disabuse the nothing of ever renting your car out “no hassle”. Low hassle maybe, but your framing implies you’ve never worked in a job that required engaging the general public.