Background, I live in a flat above a shop. My flat has it's own parking spot that I pay for. Despite this a entitled prick of a woman lady keeps parking in my spot. She has been told many times not to, but continues to do so. She understands it is private parking but doesn't care and says "I'm just leaving" or "I wont be long"
So, help me think if a suitably irritating thing I can do to her next time it happens? Nothing illegal obviously. Perhaps upending a nearby recycling bin all over her car
What can I do to teach her a lesson seeing as she clearly gives no fucks about what shes doing 
(Cant be bothered with putting up a penguin bollard, also cant block her in as it would mean I would be blocking a road to do so. Just something that would annoy her...)