Finding parking without circling the block for an hour.
Several apps aggregate real-time parking availability and pricing across European cities, which is worth checking before you arrive at a destination rather than after. Many historic centers restrict vehicle access entirely, so confirming your hotel or destination is reachable by car matters as much as finding a spot.
Pre-booking a parking space near your accommodation, where available, is often cheaper and far less stressful than arriving and searching. Street parking rules can be dense and specific to the block, so a quick photo of any posted signage helps avoid a misunderstanding.