Side Hustle Taxes 101: What to Set Aside From Day One

First $1 from a side hustle is taxable. Skip this and your April tax bill will eat your profits.

Google this topic and you will get a hundred answers, half of them wrong. Here is the version that holds up. First $1 from a side hustle is taxable. Skip this and your April tax bill will eat your profits.

The default reserve

Set aside 25–30% of every payment into a separate account. Cover federal, state and self-employment tax.

Self-employment tax

15.3% on top of income tax in the US. Catches first-timers cold.

Quarterly estimated payments

Owe more than $1,000? File 1040-ES four times a year or face penalties.

Pro tips

  • Open a free business checking account from day one — separation simplifies bookkeeping and audits.
  • Track mileage with an app; vehicle deductions add up faster than most freelancers realise.

Frequently asked questions

What if I lose money? Net business loss can offset W-2 wages — but document it; the IRS watches hobby losses.

Do I need an LLC? No tax difference for single-member LLCs vs sole prop; LLC is for liability protection, not tax savings.

Whatever number you land on, sanity-check it against a second method or a quick estimate in your head.

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