These properties can appreciate in value and offer tax benefits like depreciation and mortgage interest deductions while financing terms are often favorable.

I see benefit to having accountability partners, and coaches, but have had a difficult time finding a successful group.

Also, I believe the tax benefits are horrible compared to the states, but I'm not too sure.

Even legal immigrants are not reliable numbers because they will/may be short-term residents and also do not have the same benefits or detriments of US citizens.

Lots of folks are pulling out cash based on the appraised value for their next projects and holding for a few years to benefit from appreciation. 

The benefits of the DSCR vs.

Original costs were low enough that we paid them off within 10 yrs and in spite of operating cost increases of ret, Ins and r&m benefited from cash all along.

Duplexes with separate porches and driveways act as SFH with benefits.  1.  

How much weight do you give to the cash flow benefit of cheap debt when the property is priced above market?

Longer Tenure in HomesData from the National Association of Realtors (NAR) shows people are staying in their homes for a decade (see graph below):This increased tenure means homeowners benefit even more from home values growing over time.