1. Confirm the service is licensed
This is the only test that cannot be compensated for elsewhere. A licensed provider pays for distribution rights and can point you to a licensing statement; an unlicensed reseller cannot, and its subscribers carry the consequences when the service is taken offline mid-season.
The economics give it away. Content rights for a full US lineup cost more per subscriber than an $8 monthly subscription can cover. When a price is impossible, the licensing usually is too.
2. Look for a published uptime SLA
An uptime number you can hold a provider to is a different thing from a marketing claim. Look for a specific figure — 99.9% is the practical benchmark — stated somewhere durable such as the terms of service, not in a chat message.
Ask what happens when the SLA is missed. A provider that credits your account has committed to something; one that has no answer has published a slogan.
3. Check for a native app on your device
A native app can use your device's hardware decoder and keep a local guide cache, which is why channel surfing feels instant on some services and sluggish on others running identical streams.
Roku is the notable exception: it does not permit sideloaded channels, so every provider reaches it through screen mirroring. If Roku is your only device and that matters to you, budget for a Fire TV Stick.
4. Read the refund policy before you pay
A money-back guarantee is the cheapest insurance available on a purchase like this. Seven days is enough to test peak-hour performance on the channels you actually care about.
Be specific about what you test in that window: a weeknight prime-time slot and a weekend live sports event will surface congestion problems that a Tuesday-afternoon trial never will.
5. Count the simultaneous streams
Registered devices and simultaneous streams are different limits, and providers blur them in marketing. What matters is how many screens can play at the same moment.
For a family, three streams is usually the floor: one main television, one second room, one mobile device.
6. Test support response time before you commit
Send a pre-sales question and time the reply. Live chat that answers in minutes is a reasonable proxy for how outages will be handled; a Telegram account that answers in two days is a reasonable proxy for the same.
Support channel also signals durability. A provider reachable only through a messaging app has no support infrastructure to lose, which tells you how much it has invested in staying online.
7. Pay with something reversible
Card and PayPal payments can be disputed. Cryptocurrency and gift cards cannot, which is exactly why providers with poor retention prefer them.
A provider that accepts only irreversible payment has told you what it expects the outcome to be. Take the hint.