 Be 'weatherproof', at least as far as possible with both drip and sprinkler irrigation.Be covered by a minimum of $250,000 worth ($1 million is better) of liability insurance.Upon retirement from academia, Whatley focused on promoting his system of small-scale farming, quickly becoming a nationally known expert and an inspiration to readers of "Mother Earth News" and "Organic Gardening Magazine" in the 1980s.