Tipping experts clear up controversy over gratuity at self-service kiosks and other sneaky surcharges

We’ve reached a tipping point: self-service kiosks are asking for tips, while shoppers feel pressure to tip cashiers who don’t cook a thing. At restaurants, where a tip of 15 to 20% has been standard for decades, suggested tips are climbing higher and higher. In a viral incident earlier this month, TikTok creator BD Powell...