I manage my own property in Virginia, and my tenant asked me to replace the oven because it's burning food. I asked for measurements to arrange the replacement, but they took two weeks to respond. When they finally se...

My tenants are complaining of incomplete work orders and some have threatened to move since they took over.

That's good, if the water isn't running you can go ahead and start doing the work but I would thoroughly document the damage to go after the owner with, at least threaten with a demand letter. 

Old PM will not give back escrow deposits until I threaten them from my RE lawyer.  9. 

Eventually becoming more emboldened to threaten legal action.I know, I'm cynical. 

If that doesn't work, threatening to sue her might likely lead to a settlement, which will at least get some money and won't take too much time.

That's my personal style; not threatening or hostile, but more of a " hey, lets see if we can get this back on track, otherwise you'll probably have to move back in with your Mom...".If your money is so tight as the landlord that you are maximally stressed over rent coming a few days late, you need to work that out on your end and not create a problem where there really isn't one. 

Really rewarding when I can help them meet their goals.The cost of the service is pricey, however it can pay itself off if you are helping folks consistently.Most of the clients that come in are not qualified or don't actually want financing, however there are some folks that are indeed serious.Con's:Incorrect phone numbers and email addressesDelusional keyboard warriors threatening to start being an investor.

But the second time they came, she got arrested and has since gotten out of jail, threatening to sue me for stealing her stuff and evicting her fraudulently. 

Personally, I've seen tenants granted a continued occupancy/renewal of their lease for the following:(1) threatening other tenants/neighbors with physical harm(2) dealing drugs out of the apartment with children residing in the same building(3) discharging a firearm on the premises(4) refusing entry to the landlord/his agent for necessary repairsAnd I am sure there are many other examples of bad behavior that the property owner is powerless to react to.