Customers who buy a pod device will need replacement pods every 1-2 weeks. This is the highest-margin repeat sale in vape retail: a pack of 4 replacement pods costs £6-8 wholesale and retails at £12-15, a 50%+ margin.
Stock replacement pods for every device you carry. The most commonly replaced pods are Vaporesso XROS (4pk), Uwell Caliburn (4pk), and Voopoo Argus (3pk). If you don't have the right pod in stock, the customer will go elsewhere next time.
TrackElf tracks which devices sell which pods, so you know when to reorder replacement stock.