That said, a quick tip for DIY parts replacement if you choose to go that route... if you're uncertain about what is wrong and opt to replace parts as the process of diagnosis, start with the least expensive part first and don't un-package the control board until you're absolutely certain you'll use it, as electronic parts are often not returnable if the package has been opened.Good luck!

You may choose to hire an interior designer, or perhaps seek out talent at the local interior design school.

As others suggested you can choose to not renew his lease.

I personally choose everything in my own name with higher liability coverage.

Your time here will be well spent.Since you expressed an interest in buy and hold as well as multifamily units, I added links below for your review.http://www.biggerpockets.com/renewsblog/2013/01/04/how-to-rent-your-house/ (house rental guide)http://www.biggerpockets.com/renewsblog/2013/02/22/buying-rental-property/ (how to buy a rental property)http://www.biggerpockets.com/renewsblog/2014/07/19/how-to-buy-a-duplex/ (guide to buying a duplex) https://www.biggerpockets.com/renewsblog/2015/11/16/how-to-choose-areas-multifamily-deals/ (Choosing multi-family deals)Now that you have made the move, below are some links that will help with the navigation of the site. http://www.biggerpockets.com/startherehttp://www.biggerpockets.com/meethttps://www.biggerpockets.com/alertsHow to Use @Mentions on BiggerPocketshttps://www.biggerpockets.com/ruleshttps://www.biggerpockets.com/inviteshttps://www.biggerpockets.com/forums/categorieshttps://www.udemy.com/biggerpockets-real-estate-investing-course/ (video with 64 lectures and approx 6hrs of material)https://www.biggerpockets.com/real-estate-investing (Ultimate beginner's guide to REI)Before your 1st purchase, please ensure you visit the below link for some tips.https://www.biggerpockets.com/renewsblog/2014/12/19/real-estate-investing-success-smart-tips/REI books suggested by BPershttps://www.biggerpockets.com/renewsblog/2015/11/13/7-real-estate-books-beginner-investors/ (7 absolute must read books for beginner REIs)http://www.biggerpockets.com/renewsblog/2013/04/14/best-real-estate-books/?

Choosing the right tenant 2.

You should have no problem finding varying levels of cashflow/stability and plenty of options to choose from (SFR, multi, new construction, historic, etc.)

If I choose to move forward, I will bring up all of these questions to an attorney, but if the consensus is to walk away, I will save the money and move on.  

Your time here will be well spent.Since you expressed an interest in multifamily units, I added a couple links below for your review.http://www.biggerpockets.com/renewsblog/2014/07/19/how-to-buy-a-duplex/ (guide to buying a duplex) https://www.biggerpockets.com/renewsblog/2015/11/16/how-to-choose-areas-multifamily-deals/ (Choosing multi-family deals)Now that you have made the move, below are some links that will help with the navigation of the site. http://www.biggerpockets.com/startherehttp://www.biggerpockets.com/meetSetting up Keyword AlertsHow to Use @Mentions on BiggerPocketshttps://www.biggerpockets.com/ruleshttps://www.biggerpockets.com/inviteshttps://www.biggerpockets.com/forums/categorieshttps://www.udemy.com/biggerpockets-real-estate-investing-course/ (video with 64 lectures and approx 6hrs of material)https://www.biggerpockets.com/real-estate-investing (Ultimate beginner's guide to REI)Before your 1st purchase, please ensure you visit the below link for some tips.https://www.biggerpockets.com/renewsblog/2014/12/19/real-estate-investing-success-smart-tips/REI books suggested by BPershttps://www.biggerpockets.com/renewsblog/2015/11/13/7-real-estate-books-beginner-investors/ (7 absolute must read books for beginner REIs)http://www.biggerpockets.com/renewsblog/2013/04/14/best-real-estate-books/?

What's the biggest factor in choosing a location?