Mathematician Spencer Greenberg read Curbed's handy guide to tipping your doorman, super, handyman, et al., and observed the following: "It includes really wide ranges (e.g. $25-$150 for doormen). I ...

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Recently, TikTok user Chloe Lyn discovered a feature on the Calculator app that takes all of the guessing work (and math) out of figuring out how much to tip.all you have to do is type in the total of ...

With everyone carrying less cash and increasingly depending on credit cards and digital wallets, demand is growing for tech-savvy tools to make tipping easier. With a few quick swipes on a smartphone, ...

In theory, tipping should be simple. If you receive excellent service, it's easy to reach into your wallet and offer a tip. But in recent years, as people carry less cash and increasingly depend on ...