Can't help you with the interest rate...We run business Visa cards through Chase, which gives great pointage redeemable for cash or travel if that's your thing.

There is an additional fee to submit your licensing application, sit for the exam, then obtain the required background checks.  

I wasn't successful at getting higher rent, but I did receive more tenant applications and was able to get it rented faster. 

I live in NJ and have Properties in PA and have dealt with the bank my PM uses there and have had no problems ( not 9 units like you ) but i recommend dealing with a small local bank there, your LLC will be tied to that property, you would be working with a local PM and you would be recommended by them, All would help in your application for the loan. - Good Luck

Yes most mortgage applications have an area that you enter in rental incomeYou will typically need 6 months of reserves for every property you own unless it's a commercial loan or equity loan/line

I asked for the rental application from the two failed tenants and he refused to turn it over as well. 

Solving problems is really what most of real estate is about.There are courses on buying tax deed properties, tax liens (where applicable) and a few probate courses.

But also keep in mind that not reporting the 2nd on a mortgage application could come back to bite you in the butt, as it would be mortgage fraud.

I have to register my single family property with the city and get a business license.
I wonder should I put it under my wife's name or mine. Does it make a difference for tax purposes? I currently have a 9-5 and my...

After that time, they decided to reject me because of my temporal work visa immigration status.But, the story didn't end there; As always, I continued saving even though there was no way I was able to pay for the asking price; but because they lost so much time deciding on the loan; they took the house back to the market on a high discount price; which matched my savings; allowed me to buy the property free and clear :)Now, back to getting the money for your purchase; my recommendations are to to look for local credit unions (GECU at El Paso) and small mortgage banks (Rocky Mountain Mortgage Company at El Paso).