The collected rent is about $1200 - see the difference?

Less than 10 minutes and they are done.Self Managed, Low Volume - these folks collect the same rent every month, have minimal expenses beyond their mortgage and find it very easy to collect the few documents they have to report it. 

60k is definitely a hit and unfortunate for sure but it sounds like you have two opportunities to force appreciation up front and collect off the back end.

Otherwise, I would sit on that property collect the cash flow and seek out great opporunities. 

They’ll handle tenant screening, maintenance, and rent collection, ensuring things run smoothly while you focus on growing your portfolio.Ultimately, starting local and self-managing is a common path for new investors, but outsourcing property management or investing remotely can work well with the right systems in place. 

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.

Depreciation and other deductions aside, irr on our sfr have lagged the s&p all without collections, code compliance as well as escalating municipal rental regulations of permits and licenses.

I'm trying to understand how they collect data so as to develop the best comping practices.

Collecting rent rolls, walking properties, learning who's doing the best in our sector/niche and how they're doing it, finding partners, all of these things I'm fairly good at, as I've been doing this for my recruiting agency for the past 3 years.

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.