Monoprice via Rakuten offers the Monoprice 1,100W Sous Vide Immersion Cooker for $99.99. Coupon code "HOME20" cuts it to $79.99. With free shipping, that's the lowest price we could find by $20. It has an adjustable clamp.
These little-known sections of Amazon.com are true hidden gems for deal-seekers and impulse shoppers alike.