Just under the cost to qualify for free delivery ? it could pay you to buy something cheap - even if you dont need it.
Item I want = £15.49
Delivery Charge = £2.99
Total = £18.48
Or :
Item I want = £15.49
Low value item = £0.51 <- I used Basket Buddy to find this
Delivery Charge = FREE
Total = £16.00
What value do you need :