A home is often the most expensive purchase of one's life, although it can sometimes be rivaled by a medical practice, another business, or even a professional education. It should be no surprise that we get plenty of questions about housing, home buying, and mortgages around here. Let's go through the common ones. Own vs. Rent in Medical Residency The place to start this discussion is at the beginning of a physician's career during training. Many doctors and their partners have delayed gratification through college, a gap year or two, and four years of medical or dental school. They feel like they've been left behind in life by their peers. When you combine that with the realtor and mortgage industry's insistence that owning a home is the most important aspect of the American Dream, it's no surprise that they all want to buy a house before they've ever received a paycheck. However, they should all still probably rent their home. They won't, of course.…