Initially, it was both economic reasons, as well as hobby. It was a good past time, and as far as that goes, it still is. However, then I learned that I could really fine tune the loads, and Taylor them to the gun, and not just the caliber. Reloading, or better yet, ( Hand- loading) , has became a art form to many of us, and in some ways is very specialized. The accuracy gains in factory ammo nowadays has came along way, but I will take my Handloads over them anyday. That's pretty much it in a nut shell. IMHO
AIM SMALL, MISS SMALL.