If you’ve got a picky dog, you know the struggle of buying a $60 bag of dog food and barely making it through the first few meals. Wasted dog food, wasted money, and frustration are just a few of the pitfalls of finding dog food your pup will like, but it doesn’t have to be that way!  Lots of dog food companies will happily send you samples of their food, so your dog can taste test before you commit to a full bag. In some cases, dog food brands will send you free samples outright, whereas others might offer low-cost...