Consumer sweepstakes disadvantages include the potential for misleading marketing practices, where participants may be lured in by the promise of prizes but face hidden costs or obligations. Additionally, consumer sweepstakes disadvantages often lead to frustration, as the odds of winning are typically very low, leaving many participants feeling disappointed. Furthermore, these promotions can sometimes encourage excessive spending or participation in multiple sweepstakes, which may not be financially beneficial in the long run. Overall, while they can be fun, the drawbacks of consumer sweepstakes should be carefully considered.