The main issue with rental basement is water if it has water issue usually it is a simple fix .Clean gutters ,discharge gutter  water away 10" away from foundation, make sure you foundation soil is slopped away from it .If you need to buy soil get a clay mix .Cut back any tree too close to the foundation look at the drip line that's how far the limbs are out from the tree .If all that is done still has water buy a sump pump  carry the water to day light away from foundation 10" to 15" .

It's not necessarily something to resolve or fix or perhaps even research, unless a lender won't lend on it because you don't own the surface rights so would not finance permanent structures there. 

You are losing money every month, and you will lose significantly more when they finally move out or you try to sell.The correct answer is to stop trying to fix them.

Budgeting: Many landlords use the 50 percent rule, which means that 50 percent of your rental income should go to covering fixed and variable expenses, other than the mortgage.4.

Just fix the C of O before going forward.

Terry,Have you weighed out the pro's and con's doing a fix & flip and capital gains versus fix and hold long or short term rentals?

Traditional mortgage, 30 year fixed How did you add value to the deal?

With your husband’s skills, assisting on fix-and-flip or BRRRR projects could offer hands-on experience.

For ex: if i am fixing kitchen, i want to snap pic and attach it to that task.Were you able to find any app that could attach support?  

Looking to build relationships with experts and also investors in the fix and flipping and also short term and mid term rentals industries.