Your ability to finance your property acquisitions is essential to expanding your real estate portfolio. And unless you are a master at sourcing for creative financing opportunities, you are going to be getting a housing loan to fund most of your purchases. It is therefore essential knowledge to understand the basic variables affects your housing loan and ultimately, you. The 3 variables are the interest rate, amortization breakdown, and the loan quantum. A noteworthy change in any of these variables can materially alter your cash flow projections which will shape the feasibility of your property as a rental investment.