This comprehensive guide helps YouTube creators understand how taxes apply to their income—from AdSense and sponsorships to merchandise and affiliate sales. It covers self-employment tax basics, deductible business expenses, and how to reduce or avoid U.S. withholding taxes through tax treaties like the one between the U.S. and Austria. With step-by-step guidance on submitting the W-8BEN form and smart tax strategies, creators can optimize their earnings while staying compliant.