PSI.Tech via eBay offers Symantec Norton Internet Security 2012 Single User for Windows
, model no. 21197415, for $18
with free shipping
. That's the best price we've seen for this version without rebate hassles. (We saw it for free, after rebate, during the week of Black Friday.) It's also the lowest total price we could find, outside of the price below, by $5.
A close price: Saving Cost via Amazon offers it to Prime members for $19 with free shipping.