(Yes it still happens, but it is a lease violation, and we have a solid leg to stand on should we need to pursue eviction or collections later.)

Closing CostsMake sure you also budget for closing costs, which are a collection of fees and payments made to the various parties involved in your transaction.

It is extremely odd the previous companies did not ask for that if they are collecting rent for you and issuing you disbursements.  

Current PM behind one month payments to owner and already collected from tenants.How to get Security Deposits of the existing tenants from current PM and how to transfer to new PM company.

I don't necessarily need the standard features of pm software, such as rent collection, bookkeeping and maintenance requests, though that could help; but do need a clearinghouse of important information, such as leases, legal docs and other information; maintenance vendors I use; maintenance history; and some kind of tracking system, where I can record the various current projects I'm working on within the business.

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.

Quote from @Andres Lasaga: I am in the process of selling a property to the tenant I have been renting the house for 4 years.I want to outsource the promissory note collections and reportsIt would be only ONE property, for now, any recommendation of a company that can manage the collections and reporting?

For example a 25 y o applicant who has used credit minimally and has an unpaid bill of $50 in collections from when they switched phone carriers may have a low score, but the only negative on their credit is this one SMALL $50 debt.

Then they make a **** load of money on them, and still collect on loans  which they never make (plus interest). 

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.