madlandrover
If your main customer has bought a C510 and, I assume the PA includes one or two type rating courses, most do; why are you buying a rating? He should send you to the training provided by Cessna.
OP
Don't assume an autopilot--I flew checks for a year w/o one. You need basic flying skills, if you don't earn those skills now, when will you? Try a check flying operation like Ameriflight, if you can work in the US. You'll need an ATPL, tho.
GF