What is the appropriate amount to tip a barista (coffee shop employee)?

Question

What is the appropriate amount to tip a barista (coffee shop employee)?

Answer 1

I would say the same as at a restaurant....15 - 20 percent.  

Answer 2

$ 2.......................................

Answer 3

I tip starbucks barista's enough just for spending 4 bucks for a cup of coffee haha.

=]

Answer 4

As a professional barista myself,  I would say, what ever you felt appropriate,  commensurate with the level of service....... & .how good the coffee was.  A tip is after all reflecting your appreciation of a job well done.  If they did a lousey job, feel free to be stingy!  LOL