SanDisk offers its refurbished SanDisk 16GB Extreme CompactFlash Memory Card for $11.99. Coupon code "DNCompactFlash16" cuts it to $10.79 and bags free shipping. That's the lowest price we could find for a refurb by $8. This UDMA 5-enabled card features read/write speeds up to 60MB/s.

Note: No warranty applies, but the item is covered by SanDisk's 30-day refund policy.