I know its only $10, but is it positive expected value.

NFL Week 1 No Sweat Bets (One each for Thursday, Sunday, and Monday)

Opt-in and apply your No Sweat Token to any NFL bet. If the bet that you apply your No Sweat Token to after opting in loses, we’ll credit your bet back as a bonus bet up to $10

Your No Sweat qualifying bet is eligible for Singles, Parlays, SGP, SGPx and Live Bets for NFL

One qualifying bet per user per NFL Game Day during the promotional period

Bonus Bet issued after qualifying bet settlement

Wagering on this promotion must use funds from your cash balance or DK Dollars to qualify

Each No Sweat Token expires at the conclusion of the last game of the day

Must be 21+, unless otherwise stated, and located in AZ, CO, CT, IA, IL, IN, KS, LA, MA, MD, MI, NH (18+), NJ, NY, OH, PA, TN, VA, WV, or WY (18+)