Yeah, the computer shop in the closest town (pop ~3000) sells/installs satellite internet. But it's such a low volume business, I'm bettin' they don't do but 2-3 in a month. As a potential installer without prior experience, you're already at an advantage: no bad habits. What I've encountered far to regularly are the career satellite TV installers who've tried to add satellite internet to their resume. Way too many of them don't adapt well to a system that involves a transmitter. A lot of them think they know enough where they should be exempt from the certification process. Others get certified, then promptly ignore the training - reverting to their long established TV dish installation techniques. Cheap dealers send one guy to certification training, then give that number to all their installers - without bothering to give the training that goes along with it.
Assuming that you're above this type of activity - AND that you have a potential customer base within economical driving distance - you're can likely make a success of it. Just as in your PC work, the best jobs are the ones you never have to go back and fix.
//greg//