I've had a search and can only find (years) old threads along these lines, so I've started a fresh one.
What are your day to day life hacks that make things easier? Could be common sense to you, but others could benefit?
My contributions are freezing lemons and limes to double up with your ice in your gin, layer the cot sheets in DC cot with another sheet and bed mat so if they have an accident, you whip the top layer off and don't have to remake the bed, tin foil behind the radiators...
What do you have?