Trade-off the exchange itself: getting one thing by accepting less of another. Where it's taught Opportunity Cost & Trade-Offs Try it with a calculator Opportunity Cost Calculator Appears in 17 other lessons Debt Payoff Strategies: Avalanche vs SnowballEmergency Fund or Pay Off Debt First?Debt Consolidation: Does Trading Several Debts for One Actually Help?Sinking Funds: Saving Monthly for the Bill You Know Is ComingReal Returns: What Your Money Is Actually EarningDollar-Cost Averaging: Investing Through the Ups and DownsRisk & Return: Volatility Is the Price of GrowthAsset Allocation: How Much in Stocks vs Bonds?How Much House Can You Actually Afford? The 28/36 RuleInsurance: Buy Term and Invest the DifferenceHELOC: Borrowing Against Your HomeWhen to Claim Social Security: The Break-Even BetSavings Rate: The Shockingly Simple Math of Early RetirementPaying for College: 529 Savings vs the Cost of Student DebtBuying a Car: New vs Used vs LeaseOptions: Calls, Puts, and the Hockey-Stick PayoffAnnuities: Buying Yourself a Paycheck for Life Related terms Opportunity costTrue cost multiple