If they pass that portion, then you can confront them about the extra dogs and ask for more rent for the additional dogs and a higher security deposit because more pets = more property damage.If you do rent to them, an important note is that many insurance companies don't cover pets like pitbulls when it comes to lawsuits so make sure you are aware of the specific laws in your city/state when it comes to high risk pets. 

Make sure you check your local/state laws on late fees and security deposits.

Are the laws specific state to state?  

Keep in mind, depending on your state's landlord-tenant laws (and judges) these may not be evictable offenses.

I know a good real estate law firm in the area as well if you want help going that direction.

While learning I would Practice analyzing deals. 

There is an unfortunate practice now of "appraisal management companies" shopping for appraisers by price, going with the lowest bidder and taking a huge cut of the profits.

I've also considered finding a mentor, since there are so many laws/tax/business details that I know nothing about.

Having the brother in the house is a violation of our zoning laws, the brother also have a lengthy (IMO) criminal history.

Any suggestions on CPAs around Tampa that are knowledgeable in real estate tax laws?