Underdog has a money-back guarantee program for customers who are dissatisfied with the product.
Terms
Available for your first contest entry only.
A refund is provided if you're dissatisfied with the product or experience
You must close your account and won't be able to make another.
Refund can be up to $100.
Offer is valid for new customers only.
Can only be claimed within 48 hours of entering first contest.