Buy a $20 Steak ‘n Shake egiftcard for $10 on Groupon. This deal is invitation-only. Only those who’ve received a designated email are eligible to purchase it, but sometime

Limit 1 per person. The full value of the Steak ‘n Shake eGiftCard never expires. FINAL SALE; no returns. Not valid with Groupon promo codes.

If you don’t have a Groupon account, which is probably rare these days, you can always use my referral link.

Simply Best Coupons has the best rate right now with 10% cash back for Groupon deals. For Discover card holders, Discover Deals is also offering 5% back so if you have the double cash back promo, you’ll still get 10%.

HT: slickdeals