For example, when our children were younger, Anna and I wanted them to have the chance to be rubbish with money while the stakes were low. After all, we’d much rather they made mistakes with their allowance at the ages of eight and ten than make mistakes with their life savings as adults. So we gave them three glass jars: one for charity, one for saving, and one for spending. When they received their allowance, it was up to them to divide up the money. We didn’t try to advise them on how much should go to saving or spending. We wanted them to make the decisions, especially the rubbish ones.
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