My last deal was an exact wrap at 3.5% granted I had to put $80k down to pull it off, but it’s a great way to keep the train on the tracks.  

I even sold my townhouse rental  just like you sold your 4-plex to keep the process going.

If it were me, I would buy cash flowing, seller finance deals, keeping my debt to income low, low down payments and negotiate competitive terms.

You would need to contribute out of pocket each month to keep the investment afloat.

We routinely turn off boilers during the summer to prevent them from running to keep up to temp all the time during the warm months.

Land is only good if you have a warchest to immediately turn it from dirt to cashflow or sale so keep this in mind when you're going forward.

How Ford’s BlueOval City Project Impacts Real Estate: A Setback and Opportunity for InvestorsFord’s massive BlueOval City project, a planned $5.6 billion electric vehicle (EV) manufacturing campus in Stanton, Tennessee, is a game-changer for the region.

@Sean GammonsConsider adding a partner for the second deal to share the down payment and mortgage responsibility, keeping DTI manageable.

Keep building the business and focusing on saving money. 

If you’re not occupying the property and plan to either sell it or keep it as a rental, you might want to consider a bridge loan through a hard money lender.