I try to almost always tip in cash which means I mark 0% tip, and I never give star reviews. One exception for a review is the smiley face vs sad face at airpor

I try to almost always tip in cash which means I mark 0% tip, and I never give star reviews. One exception for a review is the smiley face vs sad face at airport restrooms. I've never marked sad face yet but if there was an issue I would gladly and that will simply let staff know there is something amiss in that spot.