I've been in real estate for the past 7 years, and I got my start like so many other investors through reading Rich Dad, Poor Dad. 

Reading and watching BP podcasts to learn.

This is an absolute no brainer. 

Based on how I am reading your summary it sounds like there is solid equity in the 2-family in order for a bank to cross-collaterize assets. 

Listen to podcasts, read books, and if you plan to invest in the Netherlands find some resources that speak to that market specifically.

Explore off-market deals where competition might be less intense.Don’t get discouraged—success in these markets often comes from building strong connections and thinking creatively about deal sourcing!

I've been doing some light reading, and it sounds like refinancing that property and using the proceeds to reinvest elsewhere might be a better option. 

You can read the rules in the footer of every page.We are happy to have you here.

I love all this last minute BS they are pulling.

As you read these books, watch the BiggerPockets podcasts.