Go Daddy Auction Picks 4-8-16 Powered by ExpiredDomains.com
There are a fair number of 4L.com and .net on the list today. The best 4L today looks to be a .org, Grab.org is a public auction currently at $120.
TheIgloo.com sounds like the name of a bar in a cold location, the domain is aged and currently at $85.
ExtraSharp.com I would look to find a cheese manufacturer/retailer.
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