There are some great suggestions here on down payment, interest rate, servicing, and underwriting the borrower.  

Owners mistakenly ASSUME all PMCs offer the exact SAME SERVICES and PERFORM those services EXACTLY THE SAME WAY, so price is the only differentiator – so, they often select the first PMC they call or that calls them back!

SunCoast has a corporate culture of lip service and excuses.

Look into a DSCR, Debt Service Coverage Ratio, loan where the rental income can be used to qualify the cash out refinance instead of your personal income.To Your Success! 

Also doing all new plumbing and electric service/panel upgrade to 200amps.

I've seen a few different services like it. 

Line Item Fee Collected Rents 10% of All Collected Rents New Tenant Search & Onboarding $500 Business Hour Service Calls $80/hour + Materials Cost + Tax After Hour Service Calls $110/hour + Materials Cost + Tax HVAC Cleaning & InspectionGutter CleaningSpring/Fall Exterior CleanupSeasonal Mowing & Weed TrimmingSeasonal Snow PlowingGeneral Contractor Vendor Cost + 10% Oversight Fee

It will ultimately depend on price point and what level of service you want to provide. 

As a lender, it is my firm belief that honesty, transparency and service are the most important factors.

Many ServiceTechs cover this via a service call fee.