How long does a landlord legally have to provide a reasonable accommodation (ramp)?

Part of the "reasonable" is a reasonable length of time. 12 days is not a reasonable requirement on an architectural change.

You really need to have a lawyer read the lease. Mr. Smollens has put his finger on the issue. The lease probably contains a clause making...

It's entirely up to the landlord whom the landlord does and does not find acceptable as a cosigner. That said, most landlords are going to want...

What to do about paying rent and leaving?

You're simply going to have to find somewhere else to go. You have no right to stay.

Can a landlord tell me I cannot have overnight guests more than 3 nights?

This is an unregulated apartment. The rules can be whatever the landlord sets them to be. If you don't like the rules, look elsewhere. Will she...

Can I sue my landlord from August of last year..

yes, you can sue, but you need a personal injury attorney, the kind who does automobile accidents, not a landlord tenant attorney.

Do I need to pay backrent if i didn't sign a sublet agreement and my roommates on the lease chose to protest rent for 9 moths?

Frankly, you should move out. You don't owe the landlord. Whether you owe your roommates is harder to tell.

Can I sue my landlord for negligence?

Yes, you can, but such suits are very difficult to win. You want to contact a personal injury attorney for this, the kind who handles automobile...

Can I be put out of my house?

She can have you put out, but it will require a court proceeding after a 30 day termination notice. That court proceeding will take you...

Can I get my advance rent back BC I changed my mind

If the lease as written calls for prepayment of the 6 months, you're stuck.