Robbing a bank to pay rent is a CRIME.

Raising capital - It will be difficult to tell an investor their $ is tied up for 30 years and you are only banking on the borrower selling or refinancing.

I'm not an loan officer, but I know some banks locally like ORNL Credit Union have offered a 0% down conventional loan product.

Proof of funds would be a bank statement or some other document indicating the liquidity you have.

Germany's resilience to global financial crises and its strong fiscal policies create a favorable environment for real estate investment.Moreover, interest rates in Germany remain at historically low levels, largely due to the European Central Bank's monetary policies.

Quote from @Will Cruz: Does anyone know of a Bank that is willing to do a HELOC on an investment property?

The extra 1050 a month definitely helped with the bank.

They switch banks and ask for an extension and add another $2500 deposit as a show of good faith. 

At this point, I would recommend having a line of credit to cover these things so you don't have money sitting in the bank doing nothing when it could be put to work.I have 33 units, no debt except for mortgages, and excellent income.

For bookkeeping purposes, I recommend designating a separate bank account exclusive to the house hack activities to keep some sanity.