As a kid, I was taught to tip 15% for standard service. I still do that today.

20% is for exceptional service. 10% for mediocre. 2¢ for service that's so bad they should probably think about getting a different job.

Anyway, getting 15% is still very easy. Get 10% the way you said. Now add half of that.

Feb-ru-ary

Independence Day. Tell them it's a documentary.

Somebody is paying about $1/month for this.

Beam me up