We received a postcard showing an airplane flying over a beach with the words "Southwest Getaways Anniversary" on the front of the card. Inside was a message inviting us to Southwest Getaways VIP Travel Expo. It said we would "receive two round trip, coach class airline vouchers to most major airports in the continental United States. The earliest callers will also receive a 3-day, 2 night stay at major 3 and 4 star hotels, such as Hilton, Hyatt and Marriott." No purchase is required. We researched this scam on the web and learned that it would be best to avoid attending this "fun-filled" event because there are several posts explaining that money is involved in the "free" event. …?