It's good that you are taking a week off to start the MC I usually advice at least taking the 1st 3 days off since those are the toughest. Most folks go about their regular daily lives on the MC. When I'm out and about I always carry some lemonade in a collapsable cooler with some of those reusable blue ice packs. Also make sure that you stay well hydrated in the summer heat by drinking water in addition to the lemonade.
You plan to give yourself a few hours before work is sound as the SWF generally takes 2 hrs +/- to go through you
The best adevice is to read the FAQs at the top of the page and browse the forum. You'll find a wealth of info. Also there is a search function at the top right of the page to reserarch any particular questions you may have on the MC