Right now, Amazon is offering a deal to preorder Frozen 2-disc Blu-ray Combo Set for only $19.99. The great thing is that if you preorder and the price drops, you will receive the savings as well. It is scheduled to be released on 3/18/2014 and will start shipping.
This will ship for Free with Super Saver Shipping with orders of $35 or more. You can upgrade your membership to Amazon Prime and get Free 2-Day Shipping.
Disclaimer: This post contains a link to an affiliate. See my Disclaimer Policy for additional information. Prices are subject to change without notice from Amazon.com so please verify the purchase amount before you order.