Had a friend who owned a body shop, did a great job and cheap. He'd never shot a bass before and wanted the opportunity.
When I was a kid I'd just break out a can of Krylon, LOL. Instant paint job.
Reranch.com can walk you through it.
Texas Bassists Club #132
Rickenbacker Club #422
The Official Fender Precision Bass Club #1006
The Fender Jazz Bass Club #1036