One-star reviews are the best signal I can find for product quality. They will let you know if there is a repeatable issue with trustworthy incentives. If there

One-star reviews are the best signal I can find for product quality. They will let you know if there is a repeatable issue with trustworthy incentives. If there are more 2 star reviews than 1 star reviews and there is no pattern in the 1 star reviews, that's a great sign.