The cost depends on how good of a shopper you are.

When my boys were being fed raw, it'd cost 4 dollars a week for both dogs. The 4 dollars would go towards bones, meat, veggies, fruits, organ meat, eggs, and supplements. Not bad at all. And also, lots of people find that they end up going to the vets alot less frequently which will mean less money spent there.

If you look around, you could probably find a butcher that will give you free/very cheap bones. Our past neighbor also fed her dog raw and got free bones from work.