Good QA combines automated tests with human testing that tries to break things the way real users might. It covers the happy path and the messy reality: bad input, slow connections, unusual devices, and the mistakes people actually make.
Skimping on QA is a false economy. Bugs found in testing are cheap to fix. The same bugs found by customers cost trust, support time, and emergency fixes. A realistic project plan gives QA real time, especially for anything handling money or personal data.
Updated July 2026
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