For siblings Roland and Elise Karsen, putting their stand strategically outside Muirfield Village in Dublin, Ohio, paid off big Thursday.
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According to The Columbus Dispatch, a thirsty Mickelson bought a $1 lemonade and left the youngsters a $99 tip.
“All we were doing was sitting here, and all we saw was this white car drive up, and it was close, and he said ‘Can I have a glass of lemonade?’ and all it took was one little thing for him to give us a good tip,” 6-year-old Roland told The Dispatch.
Realizing they had been handed a $100 bill from Mickelson, not a $10, sister Elise, 8, came up with the perfect response — “Whoa.”