A lower headline price is useful only when the replacement still meets the requirement that matters. Compare the actual product and complete payment commitment before deciding.
This is a suitability decision, not a universal rule that cheap or expensive services are better. Different households can reasonably choose differently.

Name what the replacement must preserve
List the essential viewing task, account allowance or accessibility requirement from the current arrangement. Keep it concrete enough to verify. A broad claim of “more content” does not answer whether the specific need is met.
If the cheaper offer lacks the essential condition, record that plainly. Optional extras do not necessarily compensate for the reason you wanted the service in the first place.
Normalize the price comparison
Use the full amount, currency and term actually offered to your account. A monthly equivalent for a prepaid year is not the same cash commitment as a one-month payment. Compare like periods and show any difference clearly.
Add only real necessary extras, such as a separately charged compatible player. Do not invent tax, fees or discounts that have not been confirmed. An unknown charge should stay an unanswered question rather than quietly becoming zero.
Use a hypothetical calculation only when clearly labelled as invented; it should explain the method, not impersonate current provider prices.
Read conditions that can change usefulness
Inspect renewal, cancellation, activation and permitted-use terms. Check whether the offer is a temporary promotion or a different product tier. A familiar brand name can cover several arrangements.
If the account method or player support is unclear, ask before paying. A saved logo, screenshot or one person’s successful setup does not prove every device or feature is supported. Keep actual evidence separate from optimistic assumptions.
Make a reasoned choice
Choose the cheaper offer when it meets the real need under acceptable confirmed conditions. Keep the current arrangement when the missing requirement or switching burden matters more. Waiting for clarification is also a valid result.
Do not describe the decision as guaranteed savings over an unknown future period. Retain the actual offer and confirmation privately, and manage any old subscription separately so an unintended overlap does not distort the comparison.
Useful answers
Is the lowest monthly-looking figure always the lowest commitment?
No. Read the complete amount due and the actual term, including prepaid arrangements.
Should an unconfirmed extra fee be assumed to be zero?
No. Keep it unresolved and ask the seller before relying on the comparison.