1) Register for this $5 off coupon via e-mail:
2) Go to your local Tractor Supply Company store and purchase a 50-lb bag of livestock feed salt mix for $5.49, or $0.49 cents + tax after your coupon.
Livestock feed salt mix is fine granular salt. It will melt off ice and snow much quicker than rock salt or other types of driveway melts. You don't need to use a lot of it, one bag should last you all winter.