You also can't sign a lease on behalf of someone else unless you're a broker. 

Apparently someone else called her complaining about a 1000 dollar increase in his mortgage.

After researching I see that having an LLC protects our personal assets in case of a lawsuit by a tenant or contractor or whatever else.  

There are certain answers I expect to hear, but want to leave the question open-ended to see what else comes up that I may not be thinking about.

Is there anything else I can do?

Permit issuance constraints/lottery, soft market, lack of const. loans or equity, condo defect liability (maybe more of a CA thing), or whatever else.

I'm buying office, retail and special situations.But, let me also say, I have invested passively  in several multi-family syndications recently and even at these nose-bleed levels they still look much better than anything else I could invest in.

It' not a buyers market if your only source of purchasing is by fishing in the same pond everyone else is fishing in, THE MLS.Off Market Deals will rectify that notion in any market and because you use HML and PML your CASH OFFER Negotiaions swings the market to sway in your favor.There are so many strategies for acquiring off market deals.

UGH.....got her to leave voluntarily basically just by starting eviction process....but mannnnn the mess they left me :-(Got the keys back Dec 1st10000's of dead fleas...bedbugs and spidersruined 800sqft of carpet....and patches of the hardwood underneathleft behind 20-30 boxes of junk and cupboards full of foodbedroom walls are so disgusting with bedbug and spider residue I have no idea how they were living therethey did leave me a fridge thats in nice shape though haLet the clean up begin !  

Either they did or somebody came by and in that window of time happened to mess with my door for some reason.