Your view on a parking fee is sought
I'd appreciate people's comments on this situation.
Let's say you are an LAA member flying a Permit single seater in the UK. You decide to visit an aerodrome that is just developing as a private destination from a former military history. It hence has long runways and lots of hangar space. Alas en route you develop a problem, land safely, and find the aircraft needs a spare part before it can fly again. Trailering it out is difficult - it means lots of work disassembling it, two trailer trips to a place that's not easy to reach with such a load, more work to re-assemble it, but the repair will be relatively simple when the part arrives. The part is ordered but takes several weeks to arrive. The weather is poor and flight over mountains is needed, so for a low time VFR pilot, the weather has to be good. Time passes. The aerodrome offers little help apart from some helpful home-builders based there who do kindly assist as far as they can. The aerodrome has strict security procedures and won't let you remain in the hangar if they decide to pack up for an early night.
The aerodrome decides to charge for parking, and charges are soon building up to a significant level. The aerodrome is also going to charge for every landing if you decide to have a local flight or two to ensure the repair is satisfactory before heading off over the mountains. You don't want to be there - you feels you're over a barrel.
Are you being taken advantage of? You're costing the aerodrome nothing. You've arranged insurance at the aerodrome's insistence. Should the aerodrome say "it's OK, we won't charge, leave it in the hangar as long as you like, we understand your predicament", or keep charging you?