http://www.walmart.com/search/?query=ice%20melt%20salt&cat_id=0&typeahead=ice%20melt
I USED TO BUY 40 LB BAGS, IF I REMEMBER CORRECTLY.
OHGOD.
THEN I WENT TO EMPTYING THE HEAVY BAGS INTO A PLASTIC JUGS WITH HANDLES. USED A SCOOPER.
Eventually, I used calcium chloride as it does less damage to the driveway and your footwear.
LET THEM DELIVER IT. The prep work is ridiculously difficult. I made a mess just getting everything in place.
Then I prayed for ice so I didn't have it leftover.
OMG