For business owners who would like to get tips about their marketing, Local First is holding a training called “Marketing Dos and Don’t’s” on Tuesday, April 10 from 9-10:30 a.m. at Engrained Brewery & Restaurant. At this 90-minute class, Custom Cup co-owner Kendra Boesdorfer will teach participants the virtues and pitfalls of up-selling versus discounting. The cost is $30 and participants can reserve a seat and pay via the Local First Facebook page.