Most of HUKD folk know about how tom save the delivery fee (£4.85) by adding a sim card to your basket and the whole order is the delivered free.
What I didn't know is that if you choose the 2 hour (timed delivery) slot (£6.85) it will give you this for free too. No more waiting indoors for tesco to arrive somewhen.
Maybe this is common knowledge but I didn't know and thought I'd share it.
Edit - not sure if this goes under deals or not....