How to Win at Monopoly ® - a Surefire Strategy

I'm a big Monopoly fan and I recently saw a great website that did something I've always wanted to do: calculate how long it takes to return your investment in the various properties and houses/hotel purchases. Knowing this is really the key to developing a strategy to win the game. Without it, how do you know whether to focus on putting hotels on Boardwalk or buying all the Railroads? You can't do everything - the key to winning is making the right trades and decisions at the different stages of the game. This is just my interpretation of the numbers, but I propose a winning strategy below and then back it up with the data.
How to Win at Monopoly ® - a Surefire Strategy