No, that is one the problems you have to solve before you can have a successful fork unless you happen to have a few million a year coming in to compete with the main branch.

I've been known to waste a weekend or two a year working on open source projects. These though generally are small things that scratch and itch for fix a bug. I don't work on projects where it takes a month+ of weekends just to get a working dev environment. I don't think that's unusual, you have to pay people to put up with that kind of pain.