Follow I accidentally put in the wrong List Price on my listing. What do I do? February 12, 2016 15:04 MLS Technology Inc. Knowledge Base General Questions If you have made a mistake with your List Price, the GTAR Staff can adjust the listing for you within 5 business days of when the listing went live. Please call us at 918-663-7500 to make an adjustment. 0 Comments Article is closed for comments.