Ending today at 9 pm ET, GoPro via eBay offers its factory-refurbished GoPro HD Hero4 Black Edition 4K Action Camcorder, model no. CHDHX401, for $234.99. Checkout with PayPal and apply coupon code "CFLASHMARCH15" to drop the price to $219.99. With free shipping, that's $15 under our refurb mention from yesterday and the lowest total price we've seen. (It's also $110 under the best price we could find for a new unit.) It features 4K video recording, up to 12-megapixel photos, waterproof housing (up to 131 feet), WiFi, and Bluetooth. A 1-year GoPro warranty applies.

Note: The coupon can only be used once per account.