She could win a total of $1,000 in Costco gift cards. The contest is open to residents of the United States who are at least 18 years old. To enter, she must visit the contest website and fill out the entry form with her contact information. She will also be required to provide proof of residency and age. The contest ends on a specific date and time, and the winner will be selected randomly from all eligible entries. The prize can be used to purchase items at Costco warehouses or online.