The mains are no different no mater how you do it. Stringing the bottom half is the same no matter how you do it. Stringing the top half is just like stringing the bottom. If you have flying clamps it's a piece of cake. The extra work comes in when you have fixed clamps dedicated to one side.
I have the ability to drive people crazy, not sure if I was born with it or I learned it but I'm damn good at it.