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Re:You Want 20% for Handing Me a Muffin? The Awkward Etiquet... by paxys on Wednesday October 17, 2018 @02:17PM (#18241927)
Or just adjust your payment after the fact, like Uber and Lyft. It would be pretty easy for Square to implement this.
Re:You Want 20% for Handing Me a Muffin? The Awkward Etiquet... by goerz on Wednesday October 17, 2018 @03:12PM (#18242649)
Since we're talking about coffee shops: the Starbucks app allows to add a tip for a certain period of time after a a mobile order (something like an hour)
Re:You Want 20% for Handing Me a Muffin? The Awkward Etiquet... by asdff on Thursday October 18, 2018 @12:03AM (#18245805)
Do you use Square every day? The last time I went somewhere with specifically a Square reader was probably two weeks ago. Even if I went back tomorrow, am I going to remember my last experience enough to judge a tip?

Even if I go to the same coffee shop and use the same Square every morning, unless I'm holding a grudge it's de facto back to front end tipping rather than upon services rendered.