The weeks following Christmas and Prime Day are peak times for "deep-clearance" (30–70% off) as stores reset their aisles. 2. Loyalty and Cashback Stacking

Using a RedCard provides an automatic 5% discount that stacks on top of existing sale prices.

Use this to monitor the investment value and retirement status of sets.

The gold standard for adult fans. You can buy specific parts or "incomplete" sets (missing the box or instructions) for a fraction of the cost.

Use extensions like Rakuten or Honey when shopping online to claw back an extra 1–10% in cash. 3. The Secondary Market Strategy