How-D, I believe it would help us newbies to hear the "If I had to do it all over again, I'd start with..." from the guys who have streamlined their operations into optimal set up for both ease of working and professional looking rigs.
This includes, size of trailer, air compressors, pumps, hose material & size etc.
I've been pressure washing for about 6 years now and am just getting into roof cleaning so I know I'm very interested in your opinions of the proper beginnings so we all don't have to recreate the wheel every time.