Depends on the type/size of dog, and the quality of life you provide. For a small dog, $30 a month for food might provide quality food. For my dog (a 60+ lbs la

Depends on the type/size of dog, and the quality of life you provide. For a small dog, $30 a month for food might provide quality food. For my dog (a 60+ lbs lab/pit mix), $30 would be horrible quality. Flea/Tick/Worm/etc medication is ~$10-15 a month. Treats, an antler every now and then, etc. starts to add up.