You'll save almost enough to pay for the Dillon, scale, bench, reloading room...
Actually, it IS cheaper per round to reload, enough so that you CAN eventually (sooner for some of us) pay for all the stuff and REALLY start saving.
Problem is, I don't know anyone who's actually spending any less. I know lots of folks who are shooting more, though. The common adage around here is that you'll spend the same amount on ammmo, but you'll shoot more of it, so it evens out. Progressive reloaders in particular can really rock through the components (I run right at 1krds/hr in .45 ACP, press time) and then you've gotta shoot it all.
It's better than great to tbe able to adjust what you are shooting. My wife has decided to start shooting pistols so that she doesn't have to sit around and spectate at matches, but it turns out that she's REALLY recoil sensitive. What to do? If you're not a reloader, this is a huge problem, especially in a smal town like ours. Reloading, we just whipped up some 300 fps wadcutters for the .38, and she's about ready to graduate to reduced .45s--lighter recoil spring, and we're there!
When considering reloading equipment, keep in mind not only volume but how much time you have to reload. I don't do enough volume to really justify my 650, but I have so little time that being able to crank out a LOT of rounds quickly is the only way I'll get to shoot.
Good luck!
Steve
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"Formerly we suffered from crimes; now we suffer from laws." --- Publius Cornelius Tacitus