For Felix, who manages a large product catalog and needs a rule that applies to products ordered by all consumer accounts, the most straightforward rule to implement would be a "Qualification Rule." Qualification rules in Vlocity CPQ are designed to determine whether specific conditions are met for an account, product, or transaction to qualify for certain criteria, such as discounts, promotions, or eligibility. These rules can be applied broadly across different segments or targeted to specific consumer accounts, making them ideal for large-scale applications where managing individual conditions for millions of SKUs would be impractical.