I've done better with them. An out of stock here and there (they can't help the Teva lamotrigine, it's gone for everyone), but mix ups, no.
Don't get me started on all things corporate (including big chain pharmacies...)

And rude/dismissive pharmacists/techs? I wrote up a major rant on a Costco one after she snootily informed me that they don't deal with "those" insurances (the state mental health one). Big-time a-hole attitude.