Thought I'd give this a bump since Walmart just had a rollback to $23.88/5qt jug.
http://www.walmart.com/ip/Mobil-1-0W...5-qt./17034374
You can also summit the rebate online. Take a pic or scan your receipt. Submit it twice if you purchase 2 jugs.
https://apfco.net/secure/R8235W/Home/Entry
Purchase by May 31, submit by June 30.