Interest rates atm seem quite high so will ride this out a bit longer (and ratios will continue to improve over time.) 

The test were very difficult and challenging. 

If we had just paid her the others could have challenged.

Pick one that is improving, homes being renovated and flipped, vacant storefronts being turned into cool coffee shops etc.Good luck.

The key is to pick a lane—focus on improving as an investor, finding great deals, and letting a solid property manager handle the operations.

Challenges?

That said, its a great opportunity for the investor willing to accept the challenge.  

Focus on optimizing the current fourplexes (improving rents, reducing expenses).

House HackAttend as many REI meetups as you can to grow your network of investors for referrals, help through challenges you may incur but don't have experience with, and learn from proven guest speakersNetworking app like blinq to compile all of your contacts for REI in one area with phone and emailbegin conversations with local credit unions exploring what type of loan products they offer

That profit will increase over time and improve your return.