https://www.ubereats.com/blog/en-US/cpk-uber-eats-sweepstakes-official-rules/
To enter without making a purchase, send an email to Ubereatssweepstakes@Uber.Com, specifying the name of the Sweepstakes in the subject line. Entrants must also include ONLY the following details in the body of the email: Entrant’s email address, full name and phone number.
Prize (1): One (1) Winner (as defined below) will receive the following prize: a trip for two (2) to Waikiki, Hawaii (“Prize”). Trips include round-trip coach class air transportation (exact airline shall be determined in Sponsor’s sole discretion) from a major commercial airport near winner’s residence to Waikiki, Hawaii for winner and one (1) adult guests (age eighteen [18] or older), five (5) nights hotel standard accommodations (single room/double occupancy), a Diamond Head Tour for winner and guest, a Paradise Cove Luau (includes dinner and a show), and $1,300 via Chase Quick Pay for spending money and ground transportation.