Original Penguin Here, we did all the work for you...

 Offer valid through 11:59 PM (PT) on September 9th, 2018 at http://www.originalpenguin.com. Silver and Gold Tier Members will receive free standard shipping on all orders. Gold Tier Members will receive free 2-day shipping on minimum purchases of $50.00. Free Shipping on purchases applies to shipping to one location in the Continental U.S.. The $50.00 minimum purchase calculation does not include the value of online gift certificates and charges relating to packaging, gift wrapping, taxes, or shipping and handling. If you choose rush shipping, additional charges may apply. No adjustment on previous purchases. If an order is placed when the Membership is in the Silver Tier, the shipping offer in place with regards to the Silver Tier will be applied, even if an upgrade to Gold Tier becomes effective before your order is shipped. Offer is non-transferable to any other purchases without consent from Original Penguin and cannot be combined with any other offers. Offer only valid at participating online stores, and is not valid at specialty, department or retail stores. The free shipping offer will not apply to any order where cancellations or returns reduce the amount of qualifying purchases to less than $50.00. Original Penguin reserves the right to charge applicable shipping and handling costs to all such orders. This offer is subject to change without notice.If you have any questions, please call or visit our Customer Support Center online for further assistance.