kropic/iStock/ThinkstockDuring a summer of discontent about 20 ago, I cut lawns to survive. Rain meant no work and more sleep. On one particularly hot and steamy afternoon, we pulled up to an estate with a lawn the size of Rhode Island. I vowed never, ever to have a lawn that size. Over the years, which included the heady days of working with Gary, Rick and Tony, I learned a few things you should never do to a lawn.