Professional PMs use specialized tools to verify income directly with a tenant’s bank or payroll service, ensuring legitimacy.

I've heard nothing but complaints from customers AND their franchise agents reegarding the quality of their 800-number service center. 

It means the seller has listed the property with a flat fee listing service.

The rules and payment standards vary significantly from one area to another, so familiarizing yourself with the local housing authority's procedures is key.

You would be violating Airbnb's terms of service.

Is there a certain direct mail service they prefer?  

Its normally fee service providers who are the greatest advocates of the program, whether it be agents, PM's, coaches/gurus. 

Does he understand, Deeds, Due On Sale, Insurance, tax implications, servicing, contracts and so on?

You can put a mortgage into a "trust: without triggering a due on sale but again contacting your bank/lender is the best route to avoid any issues.Some banks/lenders or servicing companies change guidelines and even a trust may require other paperwork but the attorney usually facilitates that to be safe.  

Look for loans such as DSCR (Debt Service Coverage Ratio) loans. 4.