Instructions:I don't really expect this to work - it's too good to be true! Therefore expecting cold votes but it may just work for someone and for £40 it's worth a try! It worked for me, but I received this email about it...
Dear Mrs XXXX,
You recently spent £250 or more on selected white goods with Tesco direct. This purchase qualified you to receive an eCoupon for £40 off your next Grocery order with Tesco.com.
Simply sign-in and place a grocery order to be delivered on or before Saturday 31st January 2009. To claim your £40 discount, enter eCoupon code XXTNGC at the checkout.
Click here to shop now. Kind regards,Tesco Customer Service
This eCoupon is, and shall remain, the property of Tesco Stores Ltd and is not for resale or publication. You must sign-in and shop using this email account to redeem this eCoupon. Normal eCoupon terms and conditions apply - see website for full details. eCoupon XXTNGC is valid on orders delivered on or before 23.59 on 31st January 2009 and can only be used once per transaction and once per customer. There is no minimum spend required. Customers must have spent over £250 on selected white goods at Tesco Direct between 31/10/08 and 21/12/08 to qualify for the £40 eCoupon. Cannot be used in conjunction with any other eCoupon beginning "XX". Offer applies only to recipients of this email only. Delivery charges may apply for online orders.
Worked successfully for me - my order:
Guide price £183.53
Service charge £5.50
eCoupon - Half Price Granny Smith apples - £0.86
eCoupon - Half Price FR Lge Eggs - £0.76
eCoupon - £40 off your groceries - £40.00
This is a guide price only. Product prices may change in store between now and when your order is delivered.