As part of our general domestic regime we have a habit of using Tesco's online shopping service - as it is cheaper than Sainsburys (yes we have been anal and tried doing an identical shop and it worked out about 30 quid more expensive). Despite this, Tesco have committed one cardinal sin; the sheer volume of carrier-bags they see fit to provide us with is just crazy. Last time it was 23 bags for 81 items, averaging out at about three and a half items per bag.