I downloaded Vinted for the first time this year. I’m incredibly late to the party, since the app has more than 16 million UK users and launched here in 2014. My not-so-conscientious objection was rooted in a hatred of secondhand clothes. My inner (teenaged) self said I’d worked my way to being able to afford nice (ie new) things, and I didn’t want my wardrobe to look like I’d raided a jumble sale. Shopping secondhand would make me feel poor again.

Two things changed. Every other time I asked a well-dressed friend where her jumper, bag or trainers were from, she would say Vinted. Then, as I emptied my wardrobe from the storage unit it had been living in for a year, I was greeted by my secret shame: two unworn shirts from a cult (ie expensive) brand that I bought years ago and missed the window to return.

I got the app, snapped a few pics of the shirts and wrote what I considered to be an enticing sales pitch. I sold my first shirt on the same day and received a five-star review from my buyer. I was an ethical entrepreneur! I was saving the........

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