i put on special instructions not to mount my E-6. they came back mounted and a note saying that all E-6 will be mounted and returned with no other options available. For the price its still a lot cheaper than almost all the local options. i have the chems to do it at home but feel like i need to stockpile a few more roles before I mix up a small batch to make sure the developer stays fresh.
all in all I'm happy with the walmart send out E-6 experience I've had