It is easy and goes like this: Buy a duplexMove into on of the unitsRent out the other unitLive free of charge due to the fact that your renters pay your mortgageThere is much more to learn more about collaborations and purchasing multi-family homes however this may just whet your appetite to get more information about it.There are many things to gain from single-family houses before you need to attempt to move into multi-family apartment or condos. Start with single household homes first and advance in properties as your skills progress. As you can see there are various methods to fund homes and this list is just a few of them.