Personally, I dump anything like that into the recycling sight unseen.

Lesson learned for next time and I hope you don't lose too much money after going through this.

She is losing at least $1,200 per month because of this.My mother is 65 years old making minimum wage and has very little savings or retirement money.

If you wait around on lawyers judges or the system to throw out these squatters you may lose all your good tenants and have your building destroyed or burned down .

At the end of the day, if the tenants move out because of this, then YOU are losing money.

Losing a deal sucks, but do you really want to jeopardize your reputation by suing? 

@Louis Siano Time is always critical however you could lose time during closing If a fix and flip pro comes in and runs his/her numbers and discovers your numbers are way off.I’d recommend making good friends with a contractor who can give you a “rapid quote” on repairs.

In other words, should I lose at least 7-9% returns so I can "feel good" about not having a car loan?

My argument would be with a smaller loan balance I might lose a couple hundred a month for a few years until mortgage is paid off.

I am really considering to switching to a 30 year, but dont want to to regret it and lose my good rate, would love to hear your guys input and advice on this matter!