Shipping costs are one of the largest purchase objections your customers and prospects will have. So a free shipping bar, whether it's static or dynamic, can have a HUGE impact on your conversion rate. 4 experts, Sean McGinnis, Jon MacDonald, Kelly Vaughn, and Kurt Elster, weigh in on the power of free shipping bars and what they can do to help you improve conversion and average order value. Spoiler alert: You should have one.