It is simple and goes like this: Purchase a duplexMove into on of the unitsRent out the other unitLive free of charge due to the fact that your occupants pay your mortgageThere is far more to learn about collaborations and investing in multi-family homes but this might just whet your cravings to find out more about it.There are lots of things to gain from single-family houses prior to you need to try to move into multi-family apartments. Start with single family houses initially and progress in properties as your skills progress. As you can see there are lots of various methods to finance homes and this list is just a few of them.