This might sound nutty, but before you spend the money to buy a real blind, consider going cheap for a test run and getting a camo umbrella. It's cheap, light weight, and easy to pack. Just pop it open and sit behind it. If it doesn't accomplish anything, you're not out much.

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“In a time of deceit telling the truth is a revolutionary act.”
― George Orwell

It's not over when you lose. It's over when you quit.