I completely agree with this. If a product is meant to be free then give it away if you intend on charging some day you need top get people to pay from the star

I completely agree with this. If a product is meant to be free then give it away if you intend on charging some day you need top get people to pay from the start. Even if its a small amount. Also if users will pay for a buggy prototype then it is clearly something they really want.