Prime members can get 50% off a GrubHub order of at least $20 for Prime Day through today, Oct. 9. Prime Day might be the perfect time to get delivery for dinner. That's because Grubhub has a Prime Day deal for 50% off any order of at least $20.

Prime Big Deal Days discounts don’t stop at those on Amazon’s homepage. In fact, Prime members can access a slew of other exclusive promotions that aren't so easy to find. As as a shopping editor who’s been covering Prime Day for five years,