if you have a compressor then just buy a cheap spray gun you can get 1 for like 100 to 150 then you will need

1.5mm spray gun (gravity feed is better)

2.5L solid based paint (dont need clear coat)

About 5-10 sheets of 800 gritt wet and dry sand paper

Wax and Grease remover spray can ones are good

Rags

2 or 3 Tack rags

2-3 1/2" masking tape and 2" masking tape

lots of newspaper lol