At the same time that new rental unit numbers were declining, home ownership incentives were ramping up. The Canadian Home Stimulation Program was created in the early 1980s, offering grants for buyers. Meanwhile, the Graduated Payment Mortgage Plan offset costs by lowering initial monthly mortgage payments. The biggest incentive of all, however, was introduced in 1972, when the federal government exempted homes from the newly introduced capital gains tax. This means that any profits made from buying and selling a home are tax free as long as it's your principal residencea huge benefit, particularly as prices skyrocketed. Paraphrase the authors idea in 1 sentence