Given this situation, I would like to inquire if it is possible for the mortgage company to endorse the check, even though it is issued under my personal name.

The only type of partnerships that make sense are between people that bring different skillsets to the table, but even then: have a written agreement and a clearly defined (!)

At the time it did not make since to sell it when I got out of the Navy in 2011 so we transitioned to a rental since we could break even at the time.

A wise lender won’t even mention it unless your friend suggests it first.

Then you can sell tax free, even better than deductions. 

We got our first mid-term guest booked before our property even was finished.

Can talk to anyone and even better listener and learner. 

Live where you want to live and invest where the numbers make sense...You should look into markets with a higher rent-to-price ratio, you will probably be beating that 10% even with management

Often it does not, and cost segregation may not even save you anything.

I own a couple larger 2500 sqft in southern ca and even those take awhile to find the right tenants willing to pay a little more.