Thanks cwa107, Pophboi, gibson, samson

questions should I use 2000 grit sand paper wet sanding?

correct me if i am wrong.

1st sand the bumper down
2nd paint it bumper with 2-3 coat of factory paint I am using a spra can.
3rd Wet Sand it down with 2000 grit sandpaper.
4th Spray 2-3 coats of clear coat
5th Wait 4-6 hours then wax the car