| Read up on how to tune up guns... Start by specializing in a few of them, etc. Know how to upgrade, add on... etc.
How to add eyes and e-frames to autocockers, etc.
How to get more efficiency from 12 gram guns...
Don't just repair, but market as someone who can tune up too. And as the others said... People will come. Put something in your sigs saying Repair and Tune up Services |