Sheinside offers its Sheinside Women's Short Sleeve Faux-Leather Pocket Dress for $11.99 with free shipping. (Uncheck "Add Shipping Insurance to your order" during checkout to remove the 99 cent shipping fee.) That's $6 off list and tied with our March mention as the lowest price we could find. It's available in sizes S to L.
Note: It ships from mainland China and should arrive in three to four weeks.