This isn't completely true in Florida. Florida State Statue 509.141 says:
(1) "The operator of any public lodging establishment or public food service establishment may remove or cause to be removed from such establishment, in the manner hereinafter provided, any guest who"..."fails to check out by the time agreed upon in writing by the guest and public lodging establishment at check-in unless an extension of time is agreed to by the public lodging establishment and guest prior to checkout;"
(2) The operator of any public lodging establishment or public food service establishment shall no