Anglers have a lot of opinions regarding the best fish finders on the market. Some think these are the most expensive, state-of-the-art units, with all sorts of GPS, mapping and imaging options. Others believe in simpler machines that cover the basics and are easier to use and understand. But I know better. Experience has shown me that the best fish finder out there is a five-year-old kid with a Mickey Mouse fishing rod. Fish fear them. And you …