you will need about 4 cans of paint per bumper @ $8.00 per can, + 2 cans per bumper cleaner prep @ $8.00 per can, sanding paper @ $10, 1 can primer per bumper $8.00 per can. Rough estimate per bumper, so $66 per bumper just in product per bumper. Spray paint has alot of waste.Originally Posted by white_rice