If you need certain products it is understandable that you don’t know where to buy them from with so many stores available. The fact that there are so many makes it harder for shoppers to choose a certain shop.  If you want to buy meals for mutts, for starters, look at what stores have what you are looking for. Once you do, you have to start minimizing your search down to a couple of shops. After you did that just start looking for reviews to see what those of the shop you intend to buy from.