If the product is something people actually want, they would be willing to pay you for it, sight unseen. Putting up a paywall is a great test to verify whether your product is actually needed.

When Scoutzie team first wanted to experiment with a paid service, Kirill was really unsure if it would work. Meanwhile, Jennifer put up a splash page and asked for money.

Lo and behold, someone paid $5,000 within a day. They sent money before they had any assurances that the product would work because the service was in such demand.