Portals fail when the first kit is a dump of every file in the season folder. Start with one retailer, one collection, and clear download presets.
Define expiry on day one. Seasonal kits should shut off. Rights on individual assets should still block downloads even if the kit date is open.
Invite a small partner cohort, watch Visual Insights for uptake, then clone the template. Creative ops should spend time on exceptions, not zip files.