Ken Doble has managed over 23,000 units.

He's been burned three times by the same utility billing mistake. He's caught ghost employees charging payroll while nobody showed up.

And he's got one question that separates real operators from salespeople — and almost nobody asks it.

Ken's book: https://www.amazon.com/Property-Management-Practical-Residential-Properties/dp/B0D6FQ7H51