Thank you to both parents for alerting me to this!
If you are a Duke Energy customer you can get a certain number of CFL bulbs FREE by calling 1-800-943-7585.
Then enter 1, enter 1, enter your Duke Energy account number, OR the phone number, OR the social security number associated with your Duke Energy account.
After they verify your account, they will tell you how many CFL bulbs your address can receive. Bulbs will be mailed to the the address listed on your account and received in 4-6 weeks. You pay nothing and can start saving money on your electric bills.