Most of those heating pads burn oxygen. You package them up too tightly there's no air for them to burn. They go cold. Did you happen to feel it a few minutes after opening the package?
Also the opposite is true, too much airflow they burn out a lot quicker.
So, it was "Not well thought out." Because it was for Rotties? Guess they better not allow anyone to bring dogs into their stores, someone might bring a rotty in...
Assuming a 25% efficient system the electricity required to lift a car that weighs 1500 kg 30 meters would be about 480 watt hours. Or about 10-15 cents. I'd be surprised if it's that low given that electric motors usually are 90% efficient.
I think average parking rates of $5-10/hour would easily cover that.
I see a reddish dot. On futher examination I'm assuming you copied the picture to add the arrow and then saved it? It would appear that our planet is so inconsequential to have been eliminated from existence by a compression artifact.
Here's the original
Maybe if you can drag your sump out from under the tank, and you can carry it to the kitchen sink, and it's totally covered so you don't get any splashes escaping, and overflow is quiet...
So all cannister filters are at fault because you apparently have some that aren't working properly? Maybe you'd be better off actually fixing the problem?