This sounds far more in landlord/tenant than animal law - moving accordingly, so you will get better answers.

I want to sue a seller

What does your P&S say about cancellations? Was the seller aware of the problem, and did you ask? The contract controls.

"He bought the adopted the cat so it's under his name..." Meaning it's HIS cat, unless he gave it to you as a gift.

My father passed away 3 weeks ago, he owned a lot of property in Miami. How do I know if he left a will?

Moving to probate, so you get better answers. You can check w/the probate court to see if a will has been filed.

Your daughter can retain counsel to defend against the tickets, particularly the dangerous dog citation. That has serious consequences.

We just bought a house about 10 months ago. And a neighbor said he caught somebody growing pot. Close to our property line.

This has absolutely nothing to do with animal law. Further, you show no harm to you whatsoever. IF there is MJ being grown on someone else's...

This is not an animal law issue - moving to landlord/tenant. Retain counsel versed in tenant law and remediation if you have documented damages.

What do i need to do to get my ESA back?

Report the dog stolen to the PD and animal control; then bring a replevin action against her. Retain counsel for the lawsuit.

How does the process of owning a dog in a house affect everyone in the household?

Your brother is responsible for what he and his dog do. However, if sued and he has an interest in the property, that may be an issue.

A legitimate ESA is covered under the ADA. You may wish to retain counsel versed in landlord/tenant, disability, or animal law to deal with your...