See the chart from Fair Isaac Company (FICO) below: FICO Score Pct of Population Default Probability 800 or more 13.00% 1.00% 750-799 27.00% 1.00% 700-749 18.00% 4.40% 650-699 15.00% 8.90% 600-649 12.00% 15.80% 550-599 8.00% 22.50% 500-549 5.00% 28.40% Less than 499 2.00% 41.00% Source: Fair Isaac CompanyAccording to this chart, investors should use corresponding vacancy+tenant-nonperformance factors of approximately 5% for Class A rentals, 10% for Class B and 20% for Class C.To address Class C payment challenges, many industry "experts" are now selling programs to newbie investors about how Section 8 tenants are the cure.

You can get away with using 5% for Class A tenants, but we use 10% for Class B and lower. 3) Tenant Payment Performance: you didn't mention this, but it is important!

I don't work on houses, but I have to use B and A-basis values for material strength which in effect means the real material will end up being 20%+ stronger (depend on the material).  

A strong “Core 4” can make managing your investment remotely much smoother and prevent a lot of headaches.Also, as you narrow down cities, pay close attention to factors like job growth, population trends, landlord-tenant laws, and short-term rental regulations.Happy to connect with you, and good luck as you jump in!

although keep in mind this narrows the field of buyers quite a bit.. 

I'm going to be selling my 2 mobile homes in the next 2-4 years and narrow my inventory to 6 stick built homes. 

Once you narrow it down, interview agents in the area and go from there!

You can then get help setting up your team and narrowing down your strategy. 

This will help them narrow down the type of coach they need. 

We’ve narrowed it down to a couple that we like.