Research index

All 20 published articles, grouped by primary topic. Each opens with a direct answer and ends with its sources and limits.

Reward ladders

What a tiered cart reward is, how many tiers to use, how far apart to set them and what each tier should unlock.

Progress bars & messages

What a reward progress bar should show, where it should appear, how to word it and how it behaves across currencies.

Reward rules

Spend versus item-count triggers, customer targeting, collection-specific spend and next-tier product suggestions.

Reward apps

Which Shopify apps document tiered cart rewards, progress bars, gift choice inside tiers and checkout continuation.

Operations & measurement

Shopify discount limits, tier-boundary testing and identifying which orders earned a reward.