If your dog isn't food motivated, you should listen to this. Food can be a very powerful tool when it comes to building behaviors in dog training, but dependence on it renders you completely ineffective with some dogs (and moderately ineffective with most dogs).
Non food motivated dogs can train up just as well as those food driven, high energy, enthusiastic dogs. You just need the right tools and information.
Have you ever heard that ecollars are lazy? If so, you probably heard it from someone who couldn't train your dog. Let's set the record straight.