Are the meds you're looking for covered by your insurance? I'm guessing no since you're looking for lower prices. We usually tell people to check Costco, they almost always have the lowest prices. Going through a Canadian web pharmacy will usually be cheapest but it requires some addition work on your part (paper work transfering the rx and lots of comparison shopping because prices widely vary.

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I'd rather argue against a hundred idiots, than have one agree with me. — Winston Churchill