Where to find the current step by step guide for each inventory and item task. Genius for Retail inventory is deep, and the vendor documentation is the authority. This page is the map.
Get the item and grid structure right before importing anything. Restructuring gridded inventory after a site has been trading on it is far more work than getting the grid templates right on day one.
Source: Global Payments Genius Retail help center. Newly built article, pending review.