Worked twice will work again. You can pay and know ahead of time how the demand will be. Should lower your purchasing prices as well if you can pay upfront. It

Worked twice will work again. You can pay and know ahead of time how the demand will be. Should lower your purchasing prices as well if you can pay upfront. Its a smart move and they will do it again and again with every new product they develop. And they have filled order books which will help to raise money if there is a need for it.