Variants are choices on the item (size, color). Add-ons are extras that stack (toppings, warranty).
- Open Catalog and choose the category the item belongs to.
- Add the item with name, base price, and photo. Keep it inactive until the options are right.
- Add variants when the price or SKU changes with the choice.
- Add add-ons when the extra is optional and priced on top.
- Activate the item and confirm it on the storefront and in Cloud POS.