I had no problem at all, most of the time went on the prep stage. All the tutorials I watched said apply thin coats. Most people try to rush and apply thick coat, which doesn't work well.
@Deathstriker How many oz of paint is needed for a groin guard?
If I can't find Angelus paint can I use any old acrylic paint?, guy in the arts&crafts shop assured me that it would be okay but I want to make sure on here first.