That's a great question that we get all the time. We can totally understand and we'd like to help.
Essentially, when folks have purchased a competing product, we don't want them to lose their investment just to remain productive. So, we offer $30 of free credit as long as we can check out a proof of purchase from the competitor (e.g. an email with identifying information).
Contact firstname.lastname@example.org, and we'll take it from there.