Reloading is the way to go with expensive ammo. A single stage press is fine for low volume shooting. I use a progressive Dillon RL550B to make large volumes of 38SPL for plinking at the range. The bigger, more expensive rounds like 500 S&W and 45-70 are built on an RCBS Rock Chucker single stage press. I can build 4 to 5 boxes of ammo for the cost of one factory loaded box. A box of 50 44 mag can be reloaded for about $6.50 or purchased for $20. You have to reload about 30 boxes to break even on the initial cost of the press/dies/scale/calipers/load book.
Adding a new caliber to the Dillon 550 will set you back about $80 for dies, conversion kit and a dedicated block to hold the new dies in the 550. A new caliber on the single stage press requires a shell holder ($6.00) and dies ($30).
I printed out your info about reloading equipment. My son has been reading up on it. It's something he's been wanting to do. I, on the other hand, have my motherly fears about his undertaking it.
Thanks.