There is no strict spending requirement – the main thing is to be thoughtful. Last year we found that most people spent around £10, so this is our recommended amount.
It’s okay if you spend less, as long as you put some effort in and do your best to bring your recipient some joy. You could even send a poem, a thoughtful card or something homemade. You can also spend more if you’d like to, but keep in mind that you’re unlikely to get a gift of the same value in return.