As anyone who is a keen vintage shopper will tell you, going into a secondhand store can feel like entering an Aladdin’s cave. You never know what treasures are going to be lurking in a discount box or the invaluable gems awaiting you on the next rail. It’s all about the thrill of the chase. Sadly, with shops closing their doors, this pastime is not on the cards right now, but this is where online shopping comes in.