Focused economics guide

Self-employment tax for side hustles.

Understand how net profit, the 92.35% earnings factor, self-employment tax, income-tax reserves, and quarterly planning fit together.

What to examine

  • Separate gross receipts from deductible business costs
  • Treat reserve percentages as planning assumptions, not a filed return
  • Recheck thresholds and official guidance for the current tax year

DoorDash field guides

How to use this topic

Start with a calculator using your own numbers, then compare the displayed assumptions with official rules, platform terms, and records relevant to your situation. Published research linked from the Guides and Reviews indexes adds evidence as it clears editorial review.