Depends on what kind of cow you are looking to buy. And what do you mean by "cow"? Do you mean cow as in the general term of the domestic bovine including calves, heifers, steers, bulls and the...
Depends on age, size, weight, health, temperament, whether it's a purebred or cross-bred, and type of "cow." Local prices vary from one locality to another, so it's best to check with you local...