Finally from a purely from a cash outlay prospective short term, you could rent a house with roommates and your payment would still probably be Lower than house hacking because rates are so high, over the long period 5-10 years obviously it would cheaper ti buy, hope that makes sense 

If you're confident you can find better cash-flowing deals or scale your portfolio with leverage, it could make more sense to reinvest rather than pay off the loan.

Multiple investors with decades of experience, some GP, some LP, some skeptics about the entire business in general sense and some bulls who have gotten rich from investing have all chimed in on this you got links to specific case studies from Brian Burke, a seasoned syndicator, a guy check from Melanie p, who makes it a part time job taking the trash out and exposing the shenanigans of one syndicator after another.Greg Scott has an excellent reputation on these forums, and provides a counterpoint to Melanie’s skepticism.

@Jason Sung, common sense says that yes it is true.

You can determine if the cost segregation study makes sense by speaking with your accountant and many cost segregation professionals offer a free analysis.

If you're younger then it might make a ton of sense to take down anything you can as long as it cash flows. 

With the rental method- you need to ensure that the numbers make sense and that you will be bringing in positive cash flow.

Quote from @Conte Cuttino: Makes sense @Andrew Freed so say if we I can make it additional legal space, do you think the 107K left in the property for the return is worth it or should I sale and move on? 

If I can park the 388k ($415-27k) for one year at CD rate of 4.5% and then est 300k (after paying cap gain/depr recap) at 3.0% (assume CD rates lower) that interest income of about 24 months net of ordinary income tax is about the same as my current mortgage.Trying to play devil's advocate and think why selling this year does not make sense. 

It makes sense, but you are giving yourself another job/business.