If anyone has any other suggestions I’d heavily appreciate it! 

If they aren't complaining about the current flooring condition I would suggest you wait until they leave or reach a point where its being requested.

Suggestions for types of investing?

Welcome to BP Stephen, did you know when you are a Pro member your profile badge in forums makes you stand out as someone who is serious about investing and you’re 3x more likely to receive a colleague request than free members? 

Leave it to a lender to prefer and suggest lending over land-lording. 

Any suggestions on where to get the best rates ? 

Sure, a couple of minor 'tweaks' could be done, but as it stands, it's a legal 4BR that brings in $2500/mo. 

Operators can no longer just tidy up their son’s bedrooms, stand at the bedroom door, take a photo on their phone, and quickly upload it.

On the flip side, listing agents are facing a future where they need to get creative in marketing properties without relying on the usual commission-sharing motivations.All things considered, we're standing at a crossroads.

The costs of renovating the new properties is more than what I'm getting from rent in the others.Using the cheapest materials you can find as suggested above is a mistake long term. $30/bundle shingles last about 12-15 years in our climate (Milwaukee), so you'll pay twice for labor.