I got them at Glenview today. I assume all the Costco's in Chicago have the same offer as it is a "ComEd Rebate".
50 cents for 4 bulbs is a no-brainer price for me - I'm such a sucker for deals that I'll probably buy 3 packs every time I'm in Costco for the next month!
I have noticed that CFL bulbs don't always last "10 years" or whatever they want us to believe.....but at 12 cents a bulb I can't complain at all.
Feit bults are the worse of the worse.