1. This is meaningless.
2. This is FAR more a factor of lifestyle choices than CoL. I've lived in extremely high and extremely low CoL places and there is not a big difference. I have a $1500 mortgage instead of a $1700 lease. Maybe apples are 20c cheaper a pound?
3. "It's better if we pay you less, really!" PS Other remote employers pay significantly more than you.
4. Pay people competitively for the role instead.
5. Pay people competitively for the role instead.