Two decisions, not one
The first decision is whether the course is worth your time. The second is whether an optional certificate is worth your money. Keeping them separate prevents a paid credential from becoming the reason you finish a course that does not serve your goal.
Evaluate the learning first
Look at level, outcomes, duration and the practice you will do outside the course. If the learning is not useful, a certificate does not fix the mismatch.
Then ask what the credential is for
A certificate may be useful as evidence of completion, motivation or a small addition to a profile. Its value is context dependent and should not be presented as equivalent to a degree, professional license or employer guarantee.
Check current pricing at the source
Certificate and diploma prices can change. CHEAPUNO should never turn an old price snapshot into a current-price claim; check Alison before paying.
Build stronger evidence
For practical skills, pair course completion with something observable: a Python project, Power BI dashboard, marketing analysis, project plan or portfolio artifact.
Decision rule
Pay for a credential only after you can explain what role it plays in your goal. If the answer is vague, keep the learning and postpone the purchase.