RE: help with first kit
A kit is basically a rolling chassis. As you know, you will still need an engine and a radio. For the engine, you will need:
Engine
Clutch
Clutchbell
bearings
Flywheel and colet
engine mounts
air cleaner
Tuned pipe
header
Radio wise you will need:
Radio
receiver
servos
batteries
Generally speaking the radio, receiver and servos come together in a package unless you're buying a high end radio. This is the bare minimum you will need to get running. As for starting alternatives, there are roto starts, electric starts and various other systems. All have their pro's and cons. For racing, most decide to go with a non pullstart engine and use a starter box. If you don't plan on racing, then it's just a matter of preference.