1000 people who have expressed interest is very different from 1000 people who have placed a cash up front order.
Ask for the cash-up-front orders and then come back and tell us how big your demand problem really is.
Ask for the cash-up-front orders and then come back and tell us how big your demand problem really is.
However, I'd like to prepare for that demand problem in case it does arrive whole hog.
Regardless, I have to prepare for the chance that every last one becomes a paying customer. Not optimistically, but pessimistically :).