One thing I did is carefully read a reloading manual for the calibers you need.
In my case I found H335 can be loaded for my rifles, 204 Ruger, 223/556, 308, 30-06 for my M1, and even the 444 marlin. So this one powder covers just about all my needs. Granted it may not be the best but it will work. Sure I use some other powders for special hunting/target loads but really only need the one.
Same with pistol. Unigue can be used for just about all smaller caliber pistols. 380 all the way to 45 colt.
So it's easier to concentrate on finding just those two powders to stock up on for all your loading needs. The amount you "need" is up to you to decide for your situation. Start reloading NOW don't wait, get the equipment and supplies while you can.
In my case I found H335 can be loaded for my rifles, 204 Ruger, 223/556, 308, 30-06 for my M1, and even the 444 marlin. So this one powder covers just about all my needs. Granted it may not be the best but it will work. Sure I use some other powders for special hunting/target loads but really only need the one.
Same with pistol. Unigue can be used for just about all smaller caliber pistols. 380 all the way to 45 colt.
So it's easier to concentrate on finding just those two powders to stock up on for all your loading needs. The amount you "need" is up to you to decide for your situation. Start reloading NOW don't wait, get the equipment and supplies while you can.