Do they have cameras in the parking lot ? Maybe it can be checked? Yeah people anymore are like that. We just had a big hoopla today with water stealing by construction crews. Yeah I've had those golf carts pull in tight on my vehicle. Come out to find them like that. I will make an inspection before pulling away for any damage, but I'm guessing a cart maybe backed into you? Sounds like good damage
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Unfortunately no note, probably not going to hone up to what they did even if they see it here.