Mossy gave a lot of good advice there. One of the most important things you can and should do is get a good comprehensive reloading manual right off the bat and learn the terms and what is being discussed. A great way to do this is to find someone you know who is accomplished at it, or inquire at a gun shop to see if anyone locally would help you get started.After you get your equipment and manuals, you can get your hands on the pieces and get familiar with them. Don't be scared of calipers and a little math. It's pretty elementary stuff for the most part and will become second nature to you in a short time.
There are a lot of knowledgeable people on this site who will be glad to help you out as questions arise. I wish I had been able to have access to this instant help when I started out.
Take the plunge and I'm sure you will find a whole new world will open up for you.