I just ask them to leave a review at Google or Facebook.

I can also just take down the wall entirely and leave nothing surrounding the property for less than half the cost.

As you can imagine, some guests are cleaner than others and as a result we sometimes have issues with bugs.In the past the property manager has set off a fogger after each person leaves, but honestly that's something I'd like to try to avoid doing as much as possible.

You still begin the eviction process because if she refuses to leave in Aug, you will have lost an extra month of rent if you don't begin the eviction process immediately. 

Or do you think I should just leave it as a garage and expand the house as it is.

Great episode As I am reading Cashflow Quandrant now by Robert Kiyosaki he mentions the B Quandrant quiz which says “Can you leave your business for a year or more and return to find it more profitable and running better than when you left it?”  

I’m concerned about potential future losses (both income and property damage) and want neighbor tenant evicted.

And why did he leave?

If you already have access to $40K for a downpayment, I would start with that and leave your property alone. 

I'm looking for advice and or precautions.Some questions and concerns I have are:Collateral?