Cart and saved items brief
Define carts and saved items that stay accurate across sessions, devices, price changes, and the handoff to checkout.
E-commerce · 45 min · Advanced · 32 questions
Persistence and truth
When should a guest cart merge with a signed-in cart?
Should household carts remain separate?
Should business carts remain separate from personal carts?
How should a cart stay in sync across devices?
How should an out-of-stock item appear in the cart?
How long is cart stock reserved?
How should a preorder appear in the cart?
What happens when an item is unavailable in the shopper's region?
How should quantity limits appear?
Price and promotions
What should be recalculated when purchase terms change?
Which changes must the customer acknowledge?
How should promotion codes be applied?
When should an automatic offer apply?
How should loyalty benefits affect the cart?
How should bundle discounts affect the cart?
How should a free gift appear?
Which promotions may be combined?
Quantities and saved items
How should a quantity change affect available stock?
How should a seller minimum affect quantity?
How should quantity changes affect fulfillment groups?
How should quantity changes affect the delivery date?
How does Save for later differ from a wishlist?
Can shoppers organize saved items into collections?
Can shoppers request a stock alert for a saved item?
Sharing
Who may open a shared cart or list?
Who may edit a shared cart or list?
Who may purchase from a shared cart?
Could a shared list appear in search?
Checkout handoff
Which version of the cart should checkout use?
Which cart price must carry into checkout?
Which stock reservation must carry into checkout?
Which selected options must carry into checkout?
How to use this brief
Use this brief as a bank of questions for the conversation. Choose what is relevant, mark covered questions as you go, and skip anything that has already been answered.
Use this brief when...
Use when you need to define carts and saved items that stay accurate across sessions, devices, price changes, and the handoff to checkout.
Best used as: Live call · Async intake
- Category
- E-commerce
- Discussion time
- 45 minutes
- Depth
- Advanced
- Last updated
- Jul 21, 2026
- Scope
- Design briefs
- Best used as
- Live callAsync intake
- Design roles
- Product designer
- Audience
- Product designersUX and UI designersProduct managersMarketing teams
- Platforms
- WebMobile webCommerce platform
- Company type
- B2CMarketplace
- Product stage
- GrowthMature product
- Tags
- e-commercecart-and-saved-itemsproduct-and-experiencecart-redesignwishlist-experience