Right now at Amazon, you can pick up this Zinus 12 Inch Gel Memory Foam Airflow Mattress for just $165! I have the 10 inch version of this mattress and it is super comfortable!
This item will ship free for all Amazon Prime members. Or, regular members can score free shipping by adding $49 or more worth of eligible items to your cart. You can get a 30-day free trial of Amazon Prime here.