With the simple understanding that these are agency representation marketing/sales, James Wise is vastly raising the bar on information disclosure.

Charging market rates gives you sufficient funds to keep up on maintenance and protect the value of your property.

Regardless of your choice, it is crucial to maintain the property in good working order and have sufficient insurance coverage as a defense against liability claims.

I know property taxes and insurance in Florida differ vastly between coastal and inland cities. 

If so having it as the named insured is sufficient, and don't need additional insured with your name on it.

NON-SUFFICIENT FUNDS .

The vast majority of buyers are not actually buyers at all...they're assignors, meaning they will tie you up in a contract and then try to flip the contract to another investor who actually does buy properties.

I would like to update the propriety but lack sufficient funds and do not want to tap into my savings.

This is personal preference, but I guess just join any HIIT class is sufficient rather than working hard alone.

I agree a spreadsheet would be sufficient for me with only two units.