What he said. I have some pretty good connections with a few builders through family and I still haven't done any work for them. They have used another company and are happy enough they don't want to change. So even when you have the connections it can be hard to get the work. I actually spent Saturday afternoon drinking a 12 pack with one of the biggest apartment owners/builders in the area and he still won't give me a chance.
And Saturday morning I was with one of the custom home builders (the nicest homes in town) and he said one of his projects is for a farmer who is going to do it himself, and some of the others he is getting the landscaping for free because another company owes him money.