Not having and not sharing is illegal in most states.

A lot of investors have a limiting offer to sellers when they think their offer is significantly lower than what they think the market should be.However, people actually value price the least in a transaction (especially when they are experiencing a pain point).

I agree, when I was weighing my options, I couldn't turn down the immediate ROI for such an easy transaction. 

The thing I would worry about is if there is a significant difference in the taxed footage and the actual since that can, but not always , mean illegal addition

@Eddie L Involve attorney in this transaction.

Also, this sounds dangerous storing pool chemicals in an unsafe and likely illegal place for said chemicals.  

Am I forced to just try and block off parking with some sort of cone and tape or what can I do to deter individuals for parking illegally?

If you don’t separate business transactions from your personal personal transactions, or if you’ve been shown to have run the business fraudulently in ways that resulted in losses for others.

Single fam only, intent must not be traditional lease, you personally must go on vacation there once a year, and on a purchase transaction the subject property potential rental income cannot be "counted" -- you must have the day-job income to make it work. 

I have a friend that told me it’s illegal to own a townhouse and rent it out because the location of the property is in a median income area.