Loophole: Get a month's worth of smoothies, frappes, coffee etc at Pret for free

Coffee and sandwich chain Pret a Manger has a subscription service where you can get up to five coffees – or other drinks – a day, for £20 a month. It offers the first month free, and we've checked terms, you could just cancel after you've had that – without paying a penny.

Save £10ish on frozen vegan dinosaurs at Tesco

If you've not heard of Roarsomes, you've probably not been on Instagram lately, as these vegan Quorn nuggets are taking social media by storm. At £2.20 a box, they're a bit pricey, but I've found a clever online deals stack that'll net you eight boxes for £8 – making them £1 each.