At that point why not just drop them off at a paint shop for painting? If you have to sand and fill cracks I'd just pay the shop to do it, they will charge you for it in the prep of the pieces anyway.

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards