I've personally had tons of help from family and friends. I've also tried to include them in some way. For example one of my cable installers is my good friend since middle school.
Income, This one sucks but right now I can say that as a company more has came out of my and my partners pocket then has came in but thats starting to change. I stay have my main job.
Clients? That's not been to hard. The product I have is something that I feel is considerably better then anything on the market like it and it costs less. Allot of times I directly contact a person.
If you need a good business lawyer I like the one we use.