Last year Costco had the First Texas Bounty Hunter Discovery 3300 for about $129 if I recall correctly. This year I am seeing a pallet full of them at Costco for $99.99 Costco #1233678 First Texas Products Metal Detector Discovery 3300 That is honestly a steal for a ground balancing VLF four tone metal detector. From the Bounty Hunter Discovery 3300 Data & Specifications page: Manual ground balance Zero in with microprocessor-controlled discrimination Deep-see