In addition to the basics, please wear a safety glove on your non-cutting hand. Cuts from rotary blades do some SERIOUS damage to skin. I use a brand called the NoCry glove which fits snugly and has cut-resistant fibers (actually sold as a pair for about $10 on Amazon).
Good lighting is very important.
Skip the specialty rulers until you find out if quilting is for you.
One ruler I love for cutting strips is called the June Tailor Shape Cut. Naturally it does more than strips, but you line it up and it has slats every 1/2" that you can put the rotary cutter into and make several strips at once. I use that one, and my 6x24" ruler more than any of the others.