All you realy need is:
1) A good blackpower rifle
2) A 300 Win Mag
3) Reloading gear
With the reloading gear, you can custom make whatever load for whatever game you want to shoot.
You don't NEED 20 different rifles, one rifle, the 300 WinMag does it all. It'll fire heavy magnum loads when you need it, and light sissy loads to make them groundhogs do a backflip.
Now with all that money you save not buying a slew of rifles, you can go and buy yourself some handguns, pistols, revolvers, bow & arrows, slingshots, beer, cheap women, natcho's... wow, it's like Christmas all year long.