Geek Fuel March 2018 Spoilers + Coupon Last updated by Hello Subscription on March 22, 2018. Subscription Box Spoilers Make the first comment! Hello Subscription independently researches and reviews the best subscriptions and products. Things you buy through our links may earn us a commission. Save for LaterGo to commentsNotification Geek Fuel spoilers are arriving for the March 2018 boxes! DEAL: Save $3 on your subscription when you use this link – no coupon code required.