Having done a fab sale, it is a balancing act; The supplier works w/ fab to negotiate a time frame when the items need to be en route to fab. You get payed w

Having done a fab sale, it is a balancing act; The supplier works w/ fab to negotiate a time frame when the items need to be en route to fab. You get payed well after the sale though. So in our case, we were selling designer t-shirts, but we weren't printing them, we chose a couple designs to sell at an "unlimited" capacity (artificially imposed by us on what we would think sell), and worked with our printer, so they could ensure us a couple day turn around.