I use cork as the main body in my spread. Mine happen to be from LL Bean. Maybe I' m showing my age ,but when I purchased them they were [email protected] at the time. I' m the proud owner of 42 Bean blocks.
A good cork decoy while heavy will outdraw just about any other commercially produced decoy on the market. Learn how to properly place decoys (I scream when watching TV and see how they put out spreads) and add a dozen or two to your spread and most of the other hunters in your imediate area can watch you shoot and when you' re done and picked up they might get a little shooting in themselves.
Remember , you get what you pay for.