I did have milk delivered when we moved in, but either ran out, or had too much in the fridge. I only use skimmed in tea and hate cereal for breakfast, the rest of the family drink full cream. I have tried to get them on to semi, but with OH refusing to use it, the kids follow him
It made more sense just to pick it up when we needed it, and the cost was a factor too. Recently I've seen people with tetrapaks on the doorstep, so it looks as if the re-cycling of glass has ceased to be an advantage too.