http://www.oreillyauto.com/site/c/Tu...shGiveaway.oap
Void in FL & NY)
You can enter twice (web & FB) & get more entries from friends

Each day of the Promotion (28 days), at least one (1) $100 prepaid gift card will be awarded to a randomly selected winner..
The number of daily prizes awarded is determined by the total number of entries as of 11:59:59 pm on the previous day. For every 10,000 entries received, one (1) additional winner will be selected for all remaining days of the Promotion. Not to exceed 20 prizes per day. Entries will continue to accumulate and compound each day throughout the Promotion Period. There is a possible maximum total of five hundred forty-one (541) potential prize winners (twenty eight 28 minimum).