Side Business Launch

Set up the foundation right so you don't unwind it later. US-focused.

Decide

• Pick a name; check trademark database (USPTO TESS)
• Buy the .com and matching social handles same day
• Decide on entity: sole prop, LLC, S-corp

Register

• Form the LLC with the state ($50-$500 depending on state)
• Get a free EIN from IRS website (don't pay third parties)
• File any required local business license or DBA
• Register for state sales tax permit if selling taxable goods

Banking

• Open a separate business checking account
• Get a business credit card for clean bookkeeping
• Never commingle personal and business funds

Bookkeeping

• Set up bookkeeping software or simple spreadsheet
• Decide cash vs. accrual accounting
• Schedule monthly 'close' day to reconcile

Insurance & Legal

• Get general liability insurance if you serve clients
• Draft client contract template
• Privacy policy and terms for any website

Tax Setup

• Set up quarterly estimated tax payments
• Save 25-30% of net profit for taxes in a separate account
• Confirm whether you owe self-employment tax (15.3% above $400)

Launch

• Soft launch to 5-10 friendly customers for feedback
• Define what your first 10 paying customers look like
• Announce publicly only after the above are solid