problem tenant unit I would only address if its extremely urgent and with alot of precautions. 

These can get very costly and if the carpet is over 5 years old or excessively worn or stained then replacement is a better option.Ozone can be use to mitigate many of the odor issues quite successfully  foggers can also work. both of these have side effects and can be dangerous if precautions are not taken. 

Buying out of state can help you get the best bang for your buck, but it's important to take the necessary precautions.

Take standard big city precautions, and you should be OK.

Finishing a basement with a stone foundation can be challenging, and it may be wiser to prioritize proper care and precautions to mitigate potential problems.Conclusion:While older multi-family properties can offer unique investment opportunities, it's crucial to approach them with caution.

If the area is indeed a bad one, it is important to take all necessary precautions in order to protect the property and ensure that it remains vacant.

There are situations which I think it is beneficial to hold as well, like if you are thinking of upgrading homes and have to continue living in the one you want to sell.If anyone has questions, I would love to dig in and find what I can.Personally, it is not super fun to tour a bunch of homes right now, but I have a pretty good program for it and feel I am taking as many precautions as I can while still continuing to work.

Any other precautions I should take before renting to them?

However, we do have an accountant look over everything once a month as a precaution and a second pair of eyes. 

Just as a precaution.