My super .300blk 125gr jacketed bullet loads for hunting costs 0,55-0,6£ + brass.
.300blk HN 165gr subs reload 0,24£
My 38spl loads 158gr HN bullet 0,25£ (48rounds a field match 12£ +5£ entrence fee and a 5£ hamburger).
12,17*44r for Swedish rolling block costs some gas and sweat for the bullet (scrap lead) 50gr of black powder or pyrodex and a primer cases are expensive but you only need 13 for a competition match. Cheap rifle low ammo cost, much bang and smoke( Maybee 4£ for a practice evening).