Intopfashion via eBay offers the Ultrafire Cree T6 Rechargeable LED Flashlight for $2.99 with free shipping. Excluding other eBay vendors, that's $7 under the best price we could find for a similar one. It features 5,000 lumens and an aluminum body. Note that the battery and charger are not included.
Note: This item ships from mainland China and may take three to eight weeks to arrive.