Bag and Tag, No 1
Blocker is spot on with the order, you can always do the chassis in 2 Pack, from what i can see with powder coating it can chip, then the rust can travel underneath the coating, causing rust to pop out elsewhere.

have a designated space to do the work in. Indoors, as you will be spending a lot of nights working on the car.

The only other bit of advice is don't do it if you plan on spending any money on anything else or having a life. I'm being serious, very expensive exercise.
Good luck