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Woot! [woot.com] has Neat Bumblebee II Professional Cardioid USB Condenser Microphone for $14.99 – extra 20% off with code GAMER20 (Offer expires 8/17/26 at 11:58pm CT, or while supplies last) = $11.99.
Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.