I spoke with a local commercial banker and he recommends: bank financing the purchase price for 20 years (5 years fixed and floating after that)20% downbecause sellers are motivated and have agreed to seller finance: he recommended having the sellers carry back a second mortgage which used to supplement our equity to come up with the down payment.I have read that when seller financing the goal is get the seller to finance between 40-60% of the price. 

Our  (wife's and my) objective is cash flow to supplement retirement income, and to be able to pass these income-producing assets on to our sons. 

We've got a slow and steady plan of acquisition, and then hope to pay down with tenants income, and then pay off to supplement retirement. 

However, if you supplement (add) knowledge along with that tool, it might be a powerful advantage.

Use rents from the two properties to supplement your retirement. 

Hope to soon start wholesaling to supplement my income a bit . 

I would like this investment to supplement my current income, and over 10 years build a sizable real estate portfolio that will allow me to leave corporate America and spend 100% of my time focusing on growing my units.

Matter of fact, most people need them for supplemental heat. 

I just go my license a month ago to supplement any investments I would make going forward.  

My latest purchase (17.65mm) was an assumption.When doing an assumption most Fannie lenders will allow up to two supplemental loans in addition to the original but won't typically exceed 75% LTV for the combined loans.