Bill and Mary Toohey are average middle income people from a small Iowa town. Bill has been employed for 23 years as a Vocational Rehabilitation Counselor and Mary has worked for 20 years as an Office Manager for a small psychological firm. They started saving and investing in 1991 when their net worth was $63,000. Eight years later their net worth was $467,000. In other words, their assets increased by an average of more than $50,000 per year during that period while their income (not counting dividends and capital gains) averaged about $65,000 per year. But it wasn't always easy. They have...