 And we have some more local notes of interest to share after this segment. You're tuned to NewsRadio KOTA. I'm Ed Horrell, founder of The Kindness Revolution. Have you ever finished a fantastic meal and wondered how much I should tip? Well, let's clear it up. Tipping's an important part of dining out, and it shows appreciation for the hard work of the waitstaff. The standard tip for good service is typically 15% to 20% of your pre-tax bill.