Is it ok for grandparents to charge for childcare? #BBCNolan

Are you a grandparent that provides some childcare for your grandkids? If you are, you're part of the three quarters of the UK that do. But - is it ok for grandparents to charge for their time? Or, is that unfair, and a move that might prevent people having children because they simply can't afford the childcare? Journalist Niamh Horan and commentator and grandfather Bill Jeffrey debate