It is easy and goes like this: Purchase a duplexMove into on of the unitsRent out the other unitLive totally free because your renters pay your mortgageThere is far more to find out about collaborations and buying multi-family residential or commercial properties but this might simply whet your appetite to get more information about it.There are many things to find out from single-family houses prior to you should attempt to move into multi-family apartments. Start with single household homes first and progress in residential or commercial properties as your skills progress. As you can see there are many various methods to fund residential or commercial properties and this list is just a few of them.