It is simple and goes like this: Buy a duplexMove into on of the unitsRent out the other unitLive free of charge because your tenants pay your mortgageThere is much more to find out about collaborations and buying multi-family homes but this may simply whet your appetite to find out more about it.There are numerous things to gain from single-family homes prior to you should try to move into multi-family apartment or condos. Start with single household homes initially and progress in properties as your skills progress. As you can see there are various methods to finance residential or commercial properties and this list is simply a few of them.