Odds for winning something is not bad at all, but you should also consider that for only one spin you need to have 1000 $ wagered in Sportsbook, with  minimum total odds for betslip.
More rules is that you need to verify phone number with email address, but you can win minimum $20 freebet and maximum $300 freebet for one spin.
If you are betting on Fortunejack all the time with higher stakes, and if you are VIP member, than this is free bonus  you are getting.