http://www.halfamillionville.com/Rules.html
RULE 2. ENTRY WITHOUT PURCHASE
For free chance to win, hand print your name, address and zip code on a 3″x5″ piece of paper (mechanical reproductions void) and send to Gimme $5 Giveaway, P.O. Box 72999, Rockford, MN 55572. Limit one request per outer envelope received by April 30, 2010. Only winners will be notified by May 30, 2010.
FIVE HUNDRED THOUSAND (500,000) PRIZES: Each prize is one (1) $5.00 cash card. Retail value of each prize is $5.00. Odds of winning a first prize are approximately one in fifty six (1 in 56)