So, the cost of buying food will change dramatically depending what sort of pet you have! So, have a look first at independent, local pet shops who often will offer a better rate for bulk/regular purchases. Our local pet shop also delivers for free! They are cheaper than Cost Co for a large bag of dog kibbles that lasts us about 3months. Cost Co do sell in bulk and may be a good idea to review, as well as some online ‘warehouse’ pet suppliers. Approved Foods often have pet supplies and you may be able to make your own food too… in the Summer we use Tupperware to make large frozen treats for our dog, just a stock cube and some treats – keeps him happy for ages and costs just pence.