One time last Spring I had to have a prescription filled that I normally get at Costco for around $7. Our Costco Pharmacy is not open on Sunday, other wise I would not have considered buying them somewhere else.

Since it was a drug that has been out for 40 years, I assumed it might be on Wal-Marts list of $4 drugs. No such luck, the price for a 30 day supply was $28 the first time, and when I went to refill it a month later it had gone up to $32. I declined, then went to Costco and had them transfer the Prescription instead. Costco had lowered their price to $5.80, so I was quite happy I had. Last I refilled it was only$5.18.

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1979 240D, 4spd manual, Power Sunroof, manual windows, 147k miles, Pastel gray/Black MB Tex.
1991 300D 2.5 - Smokes like it's on Crack!