Final answer:
Endcap displays with fast-selling items need frequent changes, which can range from several times a week to bi-weekly, depending on seasonal trends, sales cycles, and shopping patterns.
Step-by-step explanation:
An endcap display featuring fast-selling items would most likely need to be changed frequently to ensure that it continues to capture customer interest and keep up with inventory turnover. Since these items are fast-selling, they would rapidly move off the shelves, necessitating regular updates to the display. The frequency of changes can depend on the specific retail environment, but it could range from several times a week to bi-weekly.
Factors such as seasonal trends, sales cycles, and consumer shopping patterns may influence how often these changes occur. Retailers should monitor sales data and stock levels closely to determine the optimal frequency for updates to maintain an engaging and effective endcap display.