This is a HUGE deal but it is extremely limited on the locations that are participating.
Get a free $20 off your first Target Curbside order. Visit this page and enter in your email address. You will be sent an email with instructions.
No minimum purchase so you can basically get $20 in free stuff!
The offer is currently available in Northern California, Chicago, Philadelphia, as well as parts of New Jersey, New York, and Delaware.
Offer expires 1/31/16.