*Survey Completion required to enter to win. Only one submission per household may be made & eligible to win. No purchase is necessary to enter or to win, there is no charge for submissions and purchasing goods or services will not improve your chances of winning. The total number of prizes to be awarded is one $500 gift card.The odds of winning will depend upon the number of eligible entries received. The sponsor of this contest is Mspark. The estimated retail value of the prize is $500. Employees of sponsors and affiliated companies are not eligible to win, nor are their dependents and immediate family members. Entries must be submitted online no later than September 29th, 2013 . The winners will be selected and announced on October 4, 2013 atwww.mspark.com/mysterygiveaway . The gift card will be selected at random and contacted by Mspark upon selection. Upon notification, winners will have 30 days to claim the prize item, then an alternate winner will be selected.