Are budget water flossers worth it, or should I spend more on a Waterpik?

Independent testing notes that sub-$30 cordless flossers like Onlyone and COSLUS deliver respectable pressure and battery life, and they're a reasonable entry point. However, longer-term Reddit threads consistently note durability concerns with cheaper units, and Waterpik's tip variety and ADA-accepted clinical backing remain the differentiator for serious users.