Social Security wage cap

an income ceiling above which no more Social Security tax is owed; a raise above it stops paying the 6.2% SS portion.

Where it's taught

• Which Dollar Is Worth Most: A Raise, a Side Hustle, or Cutting Costs?
• Gig Work & 1099s: The Self-Employment Tax Surprise
• Is a Second Income Worth It? The Childcare-and-Commute Math