Many retirement plans look airtight in a spreadsheet until you try to explain exactly how they’ll work. The rubber duck rule, which is the practice of talking through a strategy step-by-step to expose faulty logic, can reveal assumptions and contradictions that are easy to overlook on paper. In retirement planning, where withdrawals, taxes, Social Security […] The post Rubber Duck Rule for Retirement Planning: Uses and Examples appeared first on SmartReads by SmartAsset .