I'm attempting to add other income streams to supplement due to this new state of the economy in the meantime.

A supplement to that claim won't matter as much. 

If the goal is just to help supplement your income with these assets, borrow as little as you need and keep your mortgage expenses down.

Maybe once I’ve done enough investing that I want to leave my job (I know that’s not anytime soon) I could wholesale to supplement what I make off of my investments.

I listened to the episode of the BP Podcast with Craig Curelop (#252), and he used Airbnb to supplement his rental income.

Eviction moratoriums (and supplemental unemployment) are now going to be recurring levers that get pulled during recessionary time periods.

Some lenders may not be familiar with VA supplemental loans.

I've heard that heat pumps are meant to be supplemental systems which is concerning but I'm not sure if that's true and this house is up near Bangor, ME which gets colder than -5 F.    

What you build there can either fund or supplement what you do once you all settle in Alabama and can build like wild fire once you hit the ground here.As mentioned stick to the better school zones in the Cumberland area (or surroundings).

The idea is to supplement (or cash flow) my own electric bill at a different home I live in.