To tell if a sweepstakes is legitimate, start by checking the official rules and eligibility requirements, which should be clearly outlined. Look for contact information and verify the sponsoring company’s credibility. Additionally, be cautious of any sweepstakes that require payment or personal information upfront, as these are often red flags. To tell if a sweepstakes is legitimate, research online reviews and feedback from previous participants to gauge its authenticity. Trust your instincts; if something feels off, it’s best to steer clear.