Wood question for Luthiers

I have a hundred complete ukulele t/b/s cut/sanded. All of the wood air dried for years down to roughly 13 on the moisture meter.Then I sticker in a box with dehumidifier and bring boards down to 6 percent. I realize this doesnt apply to many people because your building as you go. But this is for a small online buisness and as soon as I see if I can actually sell these I will start cutting many more. But I would like to hear what you think the best methods for storing these sets would be.Do you sticker them? Put them on the shelf and weight them down to keep them flat? Any and all feedback greatly appreciated. Thanks