Can it be done? Yes. You will need to retain an attorney and it can be expensive.

Is your tenant unwilling to pay the extra $150?

No one can answer this online but you learned one thing for sure. Calling code compliance on your landlord never works. GO HIRE AN ATTORNEY TODAY.

Your option is to move out. Florida law doesn't guarantee you AC and you were told you were renting a hot room. Her agreement to clean the kitchen...

You can sue for anything, but fraud is not what is going on here. Fraud is legally defined term. You simply haven't been refunded your security...

Your COVID losses are irrelevant to this claim. Your best and final advice is to get an attorney to attend the hearing with you.

In my hometown it a landlord can pay for an emergency writ and the sheriff will come on off hours.

Lawyers aren't generally electricians. And electricians aren't generally lawyers. You will need an electrician first.

You're right. She has no right to change the locks. That being said, you might want to extricate yourself from this explosive situation by moving...

Being cheap just got very expensive. Get an attorney to address your concerns immediately.