Spray painting a car

Im buying a car (suzuki sidekick) for 200 bucks witch is an awseome deal but the paint is faded. im planning on selling it for a little more needs a little work but im not planning on spending much more then like a 100 bucks cleaning it up so i want to know if u think u could do a decent paintjob using spray paints like automotive spray paintfrom autozone first ill use a primer like 3 coats of the original color and about 2 coats of clear any info or tips would be greatly appreciated thanks