Is it fair for grandparents to charge to watch their grandkids?

Grandparents are not free labour and parents should know that. 

We live in a society that can sometimes get things twisted. Sometimes it's innocent and other times it is an abuse of good nature. 

When we look at the dynamic of grandparents and their grandkids, it has definitely evolved. 

Where once grandparents were looked at as second-tier parents, or in some cases full-time guardians, they have evolved as a generation and come into their own.