Try
Discount Hunting Gear, Discount Hunting Boots, Discount Shoes, Discount Ammunition, Discount Ammo, Discount Boots, Military Surplus, Outdoor Gear At the Sportsman's Guide. I have not found anyone cheaper. Try the following 3 boots all for $30/ea less shipping. Find the rubber boot link within the site. I have purchased alot from this site without any issues. If you are hunting in colder weather then I would go with the #2.
1. Guide Gear Mid Mud Boots
2. Browning 600 or 1000 gr Thinsulate
3. Mens Field Pacs