I've had 3 LOs printed at Kinkos. My problems have stemmed from staff at the local store, but the LOs turned out pretty good. I think mine cost less than 3 bucks. I was told to use 12 x 18 on glossy card stock. I made a new .pdf file that was 12 x18, dropped my LO on the top & added 3 snapshots on the bottom of the paper 3 x 5 size to give to DH & grandmas for their brag books they carry around. The 10 bucks seems a bit high for Kinkos. I don't have a Costco around me, so I can't speak to that.

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Heather V
Mom to 3 monkeys and a princess