First Sale

Hi, everyone, I have a question. In June I received an email that told me that they had accepted my design, in mid-July I received a second email to have me fill out the payment document, telling me that I would get a third email to fill out the questionnaire from Amazon. In August the third mail with the questionnaire. It’s been more than a month and I have not received any other mail. So I wanted to ask you if it’s normal, if the times are long or if I might have missed something? Thank you very much.