After three long years I would now call myself an expert on the matter. I thought I'd share what I've learnt along the way so you don't have to cry as much as I did when I first started out. If I can help you avoid bawling onto wonky lines and bled paint then I'll be happy. (Scroll down to the bottom for my Youtube video on this topic if you're more of a visual learner).1. Tape choicesAll masking tape is created equal, but some tape is more equal than others.Use a high-quality low tack tape suc