Ask this: "Who on your team has actually been an IPTV reseller themselves?"
Here's the thing: a IPTV Reseller Panel built by developers who have never run a reselling business will have blind spots. They won't know why resellers need bulk user editing. They won't understand why password reset flows matter. They won't feel the pain of manual channel numbering. For British IPTV, a panel built by former resellers works better because it was designed by people who have been in your exact position.
What actually works is a panel whose team includes former resellers in product decision roles. A good IPTV Reseller Panel provider will tell you proudly: "Our head of product ran a 5,000-user service for 3 years before joining us." For British IPTV, this experience manifests in small details that add up to massive time savings.
I've watched a reseller struggle with a panel that had no bulk subscription extension feature. Every month, he manually extended 200 users one by one. He asked the provider to add bulk edit. They said "we'll consider it." A panel built by former resellers would have had bulk edit from day one.
Real scenario: A British IPTV reseller asked three providers about their team's background. Provider A: "Our CTO has 15 years of software experience." Provider B: "Our CEO used to resell IPTV in Manchester." Provider C: "Half our support team are former resellers." He chose Provider C. Every support ticket was answered by someone who understood his exact frustration.
That said, don't discount technical expertise. Former resellers who can't build reliable infrastructure are useless. The ideal IPTV Reseller Panel combines reseller experience with engineering excellence. Ask about both.
Honestly, ask to speak to the product manager. Ask them: "What's the one feature you added because you personally needed it as a reseller?" Their answer will tell you everything about whether they understand your business.