As a counterpoint: I have the opposite policy for refunds, and have for the last 8ish years. The official version, to satisfy my accountant [+], is a full refund with no questions asked for 30 to 60 days. The unofficial version is that I will give anyone a refund in (basically) perpetuity. I think my current record is 70 months after the transaction. My refund rate for BCC is 2.7%. That's the easiest one for me to ca…
I think a lot of people are initially afraid to offer refunds, most notably for digital products. The ones I've talked to always say "but then they can just ask for a refund and get it for free!" Sure... they could, but, hardly anyone ever does from my experience. My advice would be to at least give it a try and see how it works, you might find out that it is actually an effective marketing tool and a way to gain trust while lowering the perceived risk for new customers.