Any example of a calculator assuming it's stored under a mattress? Here's[1] an article on the 4% rule, and it clearly is about invested money: > The rule app

Any example of a calculator assuming it's stored under a mattress? Here's[1] an article on the 4% rule, and it clearly is about invested money: > The rule applies to a hypothetical portfolio invested 50% in stocks and 50% in bonds. [1] https://www.schwab.com/learn/story/beyond-4-rule-how-much-can-you-spend-retirement https://www.schwab.com/learn/story/beyond-4-rule-how-much-ca...