Are cheap Amazon headlamps actually good enough?

For light around-the-house, garage, or occasional camping use, verified-purchase reviewers report that sub-$20 multipacks do the job, and even mainstream outdoor press has acknowledged that some perform surprisingly well for the price. The trade-offs flagged by specialist communities are unstable output as batteries drain, weaker waterproofing, less comfortable headbands on long wears, and inconsistent quality control between units in the same pack.