Years ago there were a few similar ventures, although on a smaller scale, usually locally owned and operated. None exist today that I know of. As Robot said, lots of issues, like insurance, etc.

The concept seemed good, you have a garage where people can come and rent space, tools and equipment to fix or buid their cars. Problem is, building a car takes up tons of room for a very long time. You can't get someone to pay enough to give you any return on your investment.

Some car clubs have tried this too, and maybe some have made a success out of it, but do it more as an accomodation to the members as opposed to something that actually makes any money.

Good thought, but I don't see how it could work.

Don