You could also seek to use the BRRR method to get some or all of your money out to put towards another property.

I am also seeking commercial properties for Investor projects.  

Hi Sam Liu,you need to think about yourself and not about how difficult it will be to switch attorney (it is their (the attorney) job to make a smooth path).I suggest you seek for the best eviction attorney in your area (or better say the city where your property is located), maybe use a site called martin dale Hubble (http://www.martindale.com/), and let him manage the situation.

At the very least he can give you all the info you seek without commitment.

I would certainly try to seek more lenders.  

You should be seeing a career consoler not seeking answers on the inter web.Sorry but you are looking in the wrong place for answers.

I'm seeking advice on how to handle this somewhat touchy situation, as we have to live next-door and these folks who are fairly strange, and we have had some contentious interaction with them regarding their smoking in the property which is a violation of the lease.

I would not seek a private lender first, but would talk to a bank and explain your strategy.

Its why these large companies hire non licensed people to go door to door seeking deals. 

If you are seeking to build a portfolio of rentals over time remember 2 things.