You buy 100 credits. Two months later, your provider announces a price increase. Your 100 credits now buy only 80 subscriptions.
Is that legal? Questionable. Does it happen? Frequently.
Here's the thing. A British IPTV reseller doesn't always control the credit value. Their upstream provider can change the terms at any time. The reseller then passes that change to you.
What actually works is reading the fine print before buying bulk credits. Some providers explicitly state "credits never expire and never lose value." Others reserve the right to adjust. The second category is dangerous.
I watched a British IPTV reseller lose 40% of his credit value overnight when his upstream changed the subscription length from 30 days to 28 days per credit. His customers paid the price.
The pattern that keeps showing up is that IPTV reseller UK operators who guarantee credit value in writing are more trustworthy. Those who avoid the topic leave themselves room to devalue your inventory.
Honestly, ask directly: "If your costs go up, do my existing credits change in value?" A clear "no" from a IPTV reseller UK is what you want. Anything else is a warning.
That said, buying month-to-month avoids this risk entirely. The bulk discount rarely justifies the devaluation risk.
In most cases, never hold more than three months of credits unless you fully trust the reseller and have written guarantees.