The little-known trick to boost your state pension by up to £20,000 with 'grandparent credits'
![The little-known trick to boost your state pension by up to £20,000 with 'grandparent credits'](https://i.dailymail.co.uk/1s/2024/07/16/17/87408839-0-image-a-8_1721147806503.jpg)
When Mike Wagner began babysitting his grandchildren shortly after the first was born nine years ago, he never dreamed it would also boost his state pension income by nearly £20,000.