GrubHub, a food delivery service, has increased its signup offer from $5 to $7. Not a big change, but still a small discount for your first order. To get the signup bonus, you must place your first-time Grubhub order using a referral link (mine) and $7 will be taken off of minimum orders of $15, before tax, tip and delivery fee.
Once you sign up, then you can also refer friends and family yourself and you will earn $7 per referral, up to 20 referrals. So you can get $140 total to use towards food.