The concept sounds very good. I think it should work. But the type of venue and the location of it will be very important.

I don't know the range of worker types that would want to use it but I suspect it would be not very large.

Study what others are doing with this business model and that will get you educated. Even better, get a job at one and you'll learn plenty. You'd only have to work there for 6 months to see if it will work for you.

On the other hand.

Have you ever heard of the old saying?

Never be the pioneer in business - let somebody else go broke first.

A new business model does not automatically mean a successful business model.

If you are willing to invest $200k in something like that then think about what other kind of more established business model you could sink your 200k into that you are assured will work.