أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Best way is i think to make some research on market then start working upon that, there is no any other way to do this. You should have some knowledge of the market and product and price etc so by that you will be able to make your strategy.
What do you mean with information product?
I agree with Mr. Kishor answer. Thank you