The importance of feeding your dog a healthy diet cannot be stressed enough. It is true that a dog with a healthy holistic diet lives longer and has fewer medical bills which means more savings in the long run.
Around 95% of people feed their dogs unhealthy processed foods from their local pet store not knowing the "real" ingredients of the food.
most of the processed dog foods have poor quality meet filled with nasty chemicals and preservatives. This is why if you really care about your dog you should do some research on how to improve it's health. There is lots of information on the web about holistic dog foods from buying it to making it yourself.