The terms for a 2nd position loan on a rental is 6%, 25 year term,  and 2 points origination fee.  

As far as the business card is concerned, to me personally I think having both things on one business card is acceptable .  

In all I end up saving maybe 20-40% on the job depending on how much I pay myself in labor.

In terms of maintenance, they are generally safer because you are not responsible for the exterior and common areas and potential leaks, etc.

I used a hard money loan to purchase this off market deal.I rehabbed the upper two units within two and a half weeks and have a renter already lined up for one unit.

I have been reading the online resources about getting started, searching the market, and even doing tours, but I am hesitant to jump in and buy a house as I have quite a large amount of student debt.

I have experience with Quickbooks Online, and looking to learn to use Appfolio as I have heard that is a common software tool used for managing the books for REI.

seemed like has metro line?

Anything else is luck and relying on luck is gambling. 

I would anticipate it would depend on the level of detail you desired but it has been my experience that the will do free estimates.