I agree with previous posters, the REMINGTON bullets are a great bargain if you want a jacketed bullet. You can buy precast lead slugs from a number of sources and they will offer a good savings over jacketed bullets. But true "economy" will only come with home cast lead bullets. But, then of coarse the initial cost of the equipment to cast the bullets needs to be overcome....
In the end, only you can tell if it will be bast for your own situation.
CW