Do I pay my 75% rent increase?

Once title is passed, in an unregulated environment, she can charge you Anything. She can change it to a million bucks a month if she wants. And...

How can I mask my name as a landlord when accepting rent checks?

Get yourself a managing agent. Under the law, the agent can enter leases and then bring proceedings in his/her own name.

How long does "reasonable" time actually mean when discussing returning security deposits?

Anywhere between 30 and 60 days is reasonable. After that it's pretty abusive.

I have an accepted offer on a multi f house with tenants.The tenants lease ends in Nov. Can I ask them to evacuate?Or negotiate?

You can certainly negotiate. However, be careful not to negotiate to break up the lease before you take title.

What are my rights as a tenant?

Under New York law, you have essentially no rights. You are stuck for the rent. However, it is vastly more likely that the landlord actually will...

If you don't have any proof, you can sue and lose. Lawsuits require proof.

I paid rent already but my landlord office keep sending me notice told I didn't pay. What should i do?

This should not have any effect on your credit, but to be certain, there are these various outfits you can contact to monitor your credit...

How can I prevent being put out in the street?

Just make sure you answer all papers you are served with. You can't just be put out on the street. There is a court proceeding that has to take...

Can I sir my landlord to reimburse part of my deposit as I don't think he has the right to keep it?

Go ahead and sue. You are entitled to a statement of just what you are being charged for.

Contact the Department of Social Services IMMEDIATELY.