Andrew listed Heyzine on the AppSumo marketplace in late 2020. It was listed as a marketplace deal, which meant that he got 70% of the revenue.
He ran the deal for 15 months and earned $60k net revenue. She shared more about the experience at What I learned making $60k on AppSumo.
The deal didn’t lead to a significant increase in customer support requests. These few he did get lessened after he answered common requests on the question page.
Heyzine had significant spikes in revenue when Appsumo promoted his deal. However, the refund rate was 16%.