By Tanner Garrity Back in 2004, writer and financial expert Tom Corley began a five-year project in which he interviewed 225 wealthy people. His definition of the term included adults with “at least $160,000 in annual gross income and $3.2 million in net assets.” After that many hours of listening to multimillionaires explain exactly how they bought their beach houses — which we can only imagine led to some migraines — Corley certainly earned his credibility on the subject (his Twitter handle is @RICHHABITS). He managed to sort all his data and observations into two buckets: A) the four most c…