Here is another nice Amazon deal for you. Right now the Bausch + Lomb Renu Lens Solution 2-pack is priced at $13.27 when you subscribe ($13.97 without subscription.) There is also a $5 coupon you can clip on the product page, making your final price just $8.27. That is only $4.13 per bottle.
Bausch + Lomb Renu Lens Solution 2-pack – only $8.27 ($4.13/bottle) when you subscribe and clip the $5 coupon