It's basically the same. 30-06 uses 8-15 grains of powder more, so like 5 cents more per shot. Running out of components is the most annoying part of reloading, because you have to play the game of "Who has what in stock" and that's a game I usually end up losing.
520 rounds of Norc 7.62x51 for $260 at can am is hard to beat.