If you live in a city serviced by Spirit Airlines, they will actually pay your membership in their $9 fare club.
Here are the details: and here is the link:
* To qualify for this promotion, each member must register for the promotional offer with his or her email address, and use the same email address to enroll in the $9 Fare Club. Promotion registration and enrollment must be completed between 12:00AM EST on December 30, 2008 and 11:59PM EST on January 31, 2009 to qualify for the promotional voucher. Only members who enroll in an annual $9 Fare Club membership at $39.95 will qualify for the voucher. Offer is good for new membership enrollments only.
On or about 4/1/2009, Spirit will issue a voucher code with a $40.00 value to the email address registered for the promotion provided that:1. The same email was used to enroll in the $9 Fare Club during the promotional period.2. The $9 Fare Club membership is active as of 4/1/2009 and in good standing.
Vouchers must be redeemed by 11:59PM EST on September 30, 2009, and are non-transferable. Vouchers may be used for any Spirit flights available for sale during the validity period by booking on spiritair.com. $9 Fare Club discounts and promotional fares are only available for bookings made through spiritair.com. Vouchers have no cash value and may only be used toward the purchase of a fare booked in R, T, or U classes of service, and will only be applied to the base fare (excluding taxes and fees). Vouchers may not be used toward taxes, baggage or seat fees, or the 7.5% Federal Excise Tax included in the base fare of domestic tickets. Vouchers are for single use only, and any unredeemed amount will be forfeited. Voucher cannot be combined with other offers, discounts or programs. Spirit Airlines will not be responsible for late, undeliverable or misdirected emails.
**Additional terms and conditions apply to the $9 Fare Club. Click here for details.