SB SunnyBill

Guides

Clear, practical guides on the money side of freelancing - invoicing, pricing, US taxes, and international VAT/GST. Each one links to a free tool that does the math for you.

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Freelancer taxes

Understand and plan for self-employment taxes: what you owe, how much to set aside, quarterly payments, deductions, and the forms clients ask you for.

Invoicing & payment

Bill clients professionally and get paid on time: what goes on an invoice, how to set payment terms, and how to handle late fees.

Pricing & business

Price your work and run the money side of freelancing with confidence.

International: UK, EU & India

Invoicing and tax beyond the US: UK contractor take-home and IR35, EU VAT and the reverse charge, and GST for freelancers in India.