You mean the drill which SWMBO bought you for Xmas in 2003, but which
you've never had a receipt for?

Go back to B&Q again and talk to someone else.... trust me, it's worked
before!!

Will do.

Do remember that in the unlikely event of being caught, it is technically
fraud. If you threaten legal action, it might even be attempting to pervert
the course of justice.

Christian.