Owning a property is one of the biggest financial commitments most people will ever make. But what happens when that property changes purpose? A home you live in today could become a rental investment tomorrow, and that's where many property owners make a costly mistake. According to industry reports, a significant number of landlords assume their standard homeowners insurance will continue to protect them after they begin renting out their property. Unfortunately, that assumption can lead to denied claims, unexpected expenses, and serious financial setbacks.