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by marky1991 461 days ago
I was always taught that 15% is the standard and that's all I give.
1 comments

It was in 1995. We briefly flirted with 18%, but it's 20% now. At least for restaurants, taxis, and barbers. I've been prompted for tips at self checkout kiosks and tip a generous 0%.
Why should the percentage change over time?

Given that it's a percentage it already accounts for inflation, so I see no reason to ever change the default.