What rule will actually help you stop an impulse purchase?
Test supported spending rules against your own history to see which one appears most useful for preventing purchases you regret while preserving more of the spending you genuinely value.
Which spending rule best interrupts your impulse purchases?
Compare supported rules against your own impulse-spending history to see which one would have caught more regretted purchases while disrupting less of the spending you value.
How can you reduce purchases you later regret without also cutting out purchases you actually value?
Test rules against your history to see which ones would have caught more regretted purchases while leaving more of your valued spending alone.