Not all spending creates the same level of risk. Some expenses must be covered no matter what, while others can adjust as conditions change. Understanding the difference between essential and discretionary spending is what allows you to create flexibility, maintain stability, and define sustainable spending in retirement.

The 4% rule is often seen as a safe withdrawal strategy—but it may introduce more risk than it removes. By relying on a fixed percentage, it ignores how markets behave, how spending evolves, and how decisions are made over time. A more effective approach focuses on defining sustainable spending with flexible guardrails rather than rigid rules.

A retirement spending strategy defines sustainable spending using flexible guardrails—not rigid withdrawal rules—so you can adapt to market conditions while maintaining your lifestyle.