As everyone were saying, it is most likely to be a scam. Too good to be true promos like this are all just a scheme for the scammers to steal your money. There are also other indicators that can help you determine the legitimacy of a promo like how well detailed the info about it and how well it is managed and promoted in many social media platforms to gather people. The odds of winning must also be small so that you will know that the team behind it does not really aims to trick you but just to promote their project and the promos is just a bonus.