That technique is actually very common. If you have a 30 day free trial, for example, you really don't need a payment processor for at least 30 days (and that's

That technique is actually very common. If you have a 30 day free trial, for example, you really don't need a payment processor for at least 30 days (and that's the optimistic scenario! I've seen startups that don't need payment processing for a lot longer, because nobody completes the trial) Remember that not only does your product have to create value for customers but they have to realize that it will create value for them, and both assumptions are important to test.