I'm getting my first car Wednesday, and I'm needing a few parts to finish it out, but I'm not sure what to get! The car I'm getting is an associated b5m.

So far, this is what I will need.
Battery charger - venom pro 3 charger $79.99
Batteries - I'll need 1-2 (how long do they last nowdays?)
Motor/esc - hobbyrun xerun justock zero spec sensired brushless combo $94.99
Radio and receiver - getting a radio for sure with car, not certain about receiver
Servo - may need one, not sure what's good

Am I missing anything? And are the things I picked out decent choices? Thanks for the help!