I am in the same situation when it comes to reloading for my rifles. I have more rifles than I can reload for. I have to pick which ones I like the best and which ones show the most promise.
So I reload for my M/N M38 because it shows a lot of promise and will eventually see some deer hunting, hopefully this year. I reload the Berdan primed brass for my K31 for the same reason as my M38.
I reload for my K98 because it has shown outstanding accuracy with mil-surplus ammo and my reloads.
I reload for my 223 Ultra just because I want to.
I reload for my new B/C 45/70 for the same reasons as my M38 and my K31.
I have a Weatherby 30-06 that I took my first deer with about 3 years ago, yes I just got back into deer hunting 3 years ago, hadn't deer hunted since I was about 15 years old. But the Weatherby hasn't been out of the safe since I started collecting all of these other rifles.
So, I also reload for 5 different calibers. Wish I could reload for them all but I just can't.