Get 250 Avios for a £15 shop, if your card isn't already linked for in-store purchases

If you're a British Airways Club member (you're here, so let's assume that), here's a quick win worth adding to your Avios-earning routine this month. Register a new debit or credit card on the Avios website for in-store purchase, spend £15 or more in one transaction at a participating in-store partner, and you'll bank 250 bonus Avios on top of whatever you'd normally earn. Registering your card…