Consider the following four proposed ideas that a marketplace is considering for its loyalty program launch. Which of these are in line with the purpose of a loyalty program and general best practices?
- Idea 1: Offering a flat 10% discount on all purchases for loyalty program members.
- Idea 2: Implementing a tiered reward system with escalating benefits based on customer spending.
- Idea 3: Providing personalized rewards and recommendations based on individual customer behavior.
- Idea 4: Launching a one-time loyalty program enrollment fee to access exclusive deals.
Select the ideas that align with the purpose of a loyalty program and best practices.