To reiterate that the only prep required is using a general degreaser that won’t leave oil, wax or residue behind. Some recommended products for this are mineral spirits, simple green, Zepp or vinegar water.
You can find beyond paint here:
https://beyondpaint.com/
Join this channel to get access to perks:
https://www.youtube.com/channel/UCYJ6JJ7Q938Fls5He8zYRFA/join