This is a very good advice on how one can maximize their profit in the real estate business. I would always advocate that once you buy cheap properties does it can develop and later sell expensive.The first thing that you should take into account when making the investment is the area of the house, the size with its divisions and the state in which it is located, since according to that the monthly amount of the rent is stipulated. And in this case only you can have an idea of the earnings, on the other hand you must add this amount to the revaluation that the property will have in three years. So you will have the total of your profit.