Note that in order to redeem the rebate, you'll need to activate the Total Defense software, which involves providing your credit card information. However, you can cancel the service at any time within the first year without any additional charges.
Amazon offers Prime members the Kaspersky Lab Anti-Virus 2014 1-User for Windows, model no. KAV1401121USZZ, for $4.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $4.48.) Excluding rebate offers, that's the lowest total price we could find by $35.
Update: Note that this item is temporarily out of stock, however it can still be ordered at this price for delivery when available.
For its newsletter subscribers only, newegg offers the AVG PC TuneUp 2014 3-User for Windows for $0 with free shipping via the directions below. That's the lowest total price we could find by $46, although we saw it for a $2 profit three weeks ago. To get this deal: