Is it possible to run this stuff on certain purchases say like gift cards or would that reduce effectiveness of the software? If its looking for patterns in ord

Is it possible to run this stuff on certain purchases say like gift cards or would that reduce effectiveness of the software? If its looking for patterns in ordering, and i only feed in gift card purchases, it would have nothing to compare against. Reason I am asking, we have almost 0% fraud/charge back rate since you can only by our physical product via a subscription model.