A Plus Choice via eBay offers the Yescom 12-watt Round LED Recessed Light 10-Pack
in Cool White, model no. 11CLL001-12WR-07X10, for $65.90
with free shipping
. That's $6.59 per light and the lowest total price we could find by $13, although we saw it for a buck less six days ago (since expired). These 6" lights feature a rated LED lifespan of 50,000 hours.