Re: case re-sizing
The best advice I can give is try to find someone in your area who has been reloading for a while and ask them to mentor you.
That being said, it sounds like you want to go from 1st grade straight to college. Start out with the basics. Die setup, case prep, seating bullets. You not only need to how to do it, you need to understand WHY you're doing it. I know how to play chess but my boss' 10 year old grandson kicks my butt every time because Bill has taught him why he's making a move. It doesn't bother me a bit, but then I've never seen a chess piece blow up and hurt anyone either.
FL size your brass, if you're dead set on not over working the brass spend the $30 and get a Lee collet die. Start with mid-range loads and work up. Examine the brass from each load. Keep a log book on how each load shoots and how it affects the brass.
Not tying to preach, just want you to be safe.