The most economical way to get started is with this Lee breech lock press kit, you'll need to spend another 5 bucks for a case length guage and 25 for a die set, you'll get complete instructions with the kit, and you will have everything that you need to learn to load. You should consider any of the popular loading manuals available as a first purchase and study guide, and you'll find all the help you need with any questions from the guys here. Here's a link;
Lee Kit 
