Guidelines from Fannie Mae:-Calculation of Reserves for Multiple Financed PropertiesIf the borrower owns other financed properties (determined in accordance with B2-2-03, Multiple Financed Properties for the Same Borrower), additional reserves must be calculated and documented for financed properties other than the subject property and the borrower’s principal residence.

it seems like the partner with the mortgage is taking on additional risk and not allowing him/herself the opportunity to finance other deals in their name.

I may also be relocating to New England (NH or MA) in about 2 years so I'm not sure acquiring property in my local area is the best strategy.  

So acquiring the property was pretty straightforward.

 So on a deal like this I asked myself how good is the deal for the additional risk.

After acquiring my first three properties in boynton the past for year, I purchased my first rental outside of boynton earlier this year because finding anything with acceptable cash on cash return was difficult at best (excluding the D neighborhoods)  

Additionally, if the debtor changes jobs, you'll have to go through the garnishment process again.

Exactly - in addition, you're going to have to lay everything out on the table for the professionals you ask.  

You have to start branding out to other avenues of acquiring deals.

We put all occupants of legal age on the lease for the reason of additional parties to encumber if needed.