I can come up with only about a third of the required down payment. 

Deduct NEW property taxes after you buyDeduct home insurance costsDeduct maintenance percentage, typically 10%Deduct vacancy+tenant nonperformance percentage(we recommend 5% for Class A, 10% Class B, 20% Class C, good luck with Class D)Deduct whatever dollar/percentage of cashflow you wantNow, what you have left over is the amount for debt service.Enter it into a mortgage calculator, with current interest rate for an investment property, to determine your maximum mortgage amount.Divide the mortgage amount by either 75% or 80%, depending on the required down payment percentage - this is your tentative price to offer.If the property needs repairs, you'll want to deduct 110%-120% of the estimated repairs from this amount.Be sure to also research the ARV and make sure it's 10-20% higher than your tentative purchase price.As long as the ARV checks out, this is the purchase price to offer.It is probably significantly below the asking price.

But, it's a unique strategy that requires more knowledge than expected.

Just looking at their website,  there is no useful or helpful information that a sophisticated investor would normally require (to even give them a chance of being considered).

For tax purposes, it’s about whether you pass the 750-hour rule, the 50% rule, and meet the material participation requirements.

Their strategy focused on targeting traveling nurses, a niche market with reliable demand.As for repeating the process in the same city, it's doable but requires careful planning.

They usually require experience and they are lots of docs needed from architect drawings to a lot of permitting. 

If you only have to resand the flooring and it's cheaper, maybe go with that instead,JC township will definitely require permits for plumbing, electrical, gas lines.

As far as capital, most investment loans would require you to do 20-25% on a SFH.

This would allow me to save money compared to paying cash or the huge Down-payment DSCR loans require.