This as-told-to essay is based on a transcribed conversation with Danielle Mass, a 25-year-old founder from London, about starting a Depop shop. It has been edited for length and clarity.

And to top it all off, we’re now submitting these unpleasant interactions to Instagram accounts like DM Drama (formerly Depop Drama) which has amassed 600,000 followers, for others to weigh in on.