Order any item to store for free click and collect. When you collect your item, you are then entitled to 20% discount off anything you purchase instore. This information will be on your collection email as follows....An extra 20% off any in-store purchases made when you collect your order.
Please quote code CLICKCOLLECT20 when you pay at the till.
The sales assistant should also inform you of this at time of collection.
i.e. buy a cheap book online for 75p to collect instore,Whilst collecting instore, buy 10 items totalling £50 and get 20% off that amount = £10 off your purchase.