First, welcome to the site. This is the University of Trad Archery, so you have come to the right place.
To your question: do you know what arrow material you want to shoot? Carbon, aluminum, or wood all work well, but you are right in that the choices can be confusing. You need to determine your draw length before you can make a good choice as to spine (the stiffness quotient of the shaft), so once you get your bow you can get a good estimate of what you draw in inches. Since you don't have any help from friends, my suggestion would be to contact one of our sponsors who sell arrows, let them know your situation, and have them suggest a starting point for some arrows for you.
Or, you can take your chances with your local archery shop and see what they recommend, but all too often, archery 'pro' shops these days don't know squat about recurves or longbows, so if you get lucky, great, but it can be a real crap shoot. Our sponsors will be able to give you good advice; they know traditional archery inside and out.
Back in the old days, when I was a pup, we went down to the local hardware store, where they would have a barrel full of wood arrows, and we could grab a few and shoot away. We weren't as concerned then with spine, arrow weight,foc, or other minutiae. We just shot and had fun. But, if you don't want to form bad habits, it is much better to get arrows that work well out of your bow to start off. Arrows that fly right make for more fun, and fun is what this game is all about.
Welcome to traditional archery. It is a fulfilling and rewarding sport that will give you pleasure for many years.