Are Social Security disability benefits enough to rely on if I can't work?

For most working professionals, no. Social Security Disability Insurance (SSDI) uses one of the strictest definitions in the industry: you generally must be unable to do any substantial gainful work, not just your own occupation, and the condition must be expected to last at least a year or be terminal. Approval is difficult, initial denials are common, and the process can take many months. Even when approved, the average benefit is modest, often well below what a middle- or high-income earner needs to maintain their household. SSDI is a floor, not a plan. Treat it as a backstop and buy private short- and long-term disability coverage, especially own-occupation coverage, to protect the income Social Security will not replace.