Prep body, primer, paint, finish, let dry
You can wash it right away after the paint is dry, but it is recommended you allow the paint to cure. Depending on the type of paint used, two to three weeks is not unusual.
You can, but wait four days after it is painted so the paint can fully dry.
It could depending how dry the paint is. If it is weeks dry, it shouldnt b a problm. But if its fresh, it will destroy the paint and the ice cream. Lol c wat i did there?
At least a month to dry and another week to harden
No, dry paint is not harmful.
Vinyl or plastic based paint.
Media used that are not dry such as oil paint, water paint, acrylic etc.
With an angle grinder or "wet & dry" snadpaper
Acrylic paint DOES dry fast.
Dynamo Meter
There are stains specifically intended to go over paint. Unless you used one of those, no, it will not dry properly.