GP Bundle Builder lets you create product bundles without editing theme code. Choose from multiple templates, including mix-and-match grids, step-by-step wizards, and build-your-own sections with drag-and-drop slots. Set percentage, fixed, or tiered pricing to reward larger purchases. Customize colors, fonts, and layouts to match your store. Deploy bundles instantly through Theme App Extensions and track views, conversions, and revenue with the built-in analytics dashboard.