There are two fairly new, and very important conditions existing in the world today that have not only made the carpet cleaning industry a "billion dollar business," but also practically guarantee your success as an entrepreneur in this field. First, almost all homes and office buildings built since 1960 have wall-to-wall carpeting. Secondly, the replacement costs and the cyclical faltering of the national economy have caused people to want to make what they already own last longer, especially in the case of carpeting, which is a sizeable investment.