Can a landlord install a camera in a common area that is only accessible by tenants via key-less combination lock.

The Landlord can install a camera there. The LL is responsible if something goes wrong in the common area. I am not clear what your objection is....

Finding/serving tenant who left with rent owed?

I would file a small claims case in the district court, and have her served at work, and make sure that practice is not a violation of the mass...

That's a tough situation, and unfortunately the system is not set up for you to have any recourse, especially if the initial 258E was justified or...

Can a Landlord make you pay property tax bills, such a sewer taxes?

If it is not in your lease for taxes --> No. If there is no execution of the Water/Sewer Addendum and compliance with the statute ---> No. You may...

Please Help. When does a fake caretaker become a "tennant" at will in Massachusetts?

Unfortunately you have to go to housing court to determine the status of this caretaker. If she has keys, she is not a trespasser, and that is why...

Would this be considered fraud, and what can I do about it?

It sounds like you have a contract. The terms and form of the contract are unclear from your description. It sound like a Breach of Contract rather...

You can fire him. The consequences depend on what the contract says. He is Probably subject to G.L. c. 142A.

How can I get a video recorded from a store or gas station

Looks like you have answered your own question.

What can I do?

From your description it sounds like the vehicle was a dud right from the beginning. It is a breach of warranty claim. The paperwork would have to...

Can I file a motion to amend a judgement four months later in Northeast Housing Court? (It was not an administrative error).

If you and the tenant agreed on an agreement for judgment, and the tenant violated it by not cleaning up, etc... then you can go back and point to...