Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.

REI is about collecting dollar$, not properties. 

It is much harder to find a 2nd lien lender on an investment property and, even if you do, they are going to have maximums on the collective loan to value between both liens.

We have a ongoing list of each along with their fees and what state they are licensed to collect debt in.

For a relatively "safe" creative financing, one needs serious reserves (lots of moolah) and the ability to sell or refinance quickly when one of those "hiccups" occur.The gurus usually collect a large fee, from people who have neither money, reserves, nor experience.

Collect money, not properties.

I would say the cash flow would go up every year and that would usually be the case but my son will be moving into one unit probably for just the labor to rehab the last unit (collected rent will go down for a year).After that rehab is complete, at market rent I would have about $8k/month cash flow with underwriting that most would consider conservative (for example $1200/month allocated to maintenance/cap ex). 

What if they have collections or judgments?

That's how I started, with a company called Flip More Deals (currently called the Growth Collective) they were very hands on and helped me through the entire process and connected me with a lender and gap funder, very hands on you should check them out.

Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.