Check your local Walmart stores for these Benefiber Stick packs (3ct) as you could get them free with the following deal:
Buy two Benefiber 3pks, $1.98 each
Use $5/2 Benefiber Product 01/08/2012 SS Insert (exp 02/25/2012) or
Use $3/1 Benefiber printable with no size restrictions
FREE + $1.04 Overage
These stick packs have also been found at CVS stores for a similar price. Note that these seem to be somewhat of a trial pack, so they may not be found at all stres.
Thanks Save the Coupons!