Grace period parking
Grace periods in parking lots are usually for those who couldn’t find a parking spot so have to leave the premises. It’s the least parking lot companies can do. Apparently, unethical drivers can exploit these grace periods with no one being the wiser.
However, to take advantage of this life hack, you’ll have to be quick. So quick that you probably won’t finish whatever you had to do that forced to into that parking lot in the first place. If you have to stick around for a while, go back to your car, exit the parking lot, the reenter. It’s a pain, but if it means free parking (at the expense of gas), then feel free to do it.