Ask Customers This in 2018 (Jim Karrh On Marketing) by Jim Karrh Posted 11/20/2017 12:00 am Updated 2 months ago The benefit of escaping the assumption that your customers know all of the things you offer can mean increasing your revenue by 10 to 20 percent — or more. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.