Additionally, ask them how long they have been managing properties and what types of properties they've managed.  

However, I have a comfortable allocation of secured funds for investing and there other reasons I believe I'd qualify for other loan options.My question is, how do I see about getting additional pre-qualifications on identified properties/home values without lenders pulling my credit?

It seems I may have to get additional water back up coverage, not sure what to do ...

Additional BackgroundContractor says there is a lot of "unknowns" in the project.

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.

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

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.  

Additionally, if you are looking for guidance when it comes to REI, I am your guy, you can PM me any questions that you have, I would love to help you out.