I think we all know the prices and what can be had for cheaper elsewhere, but there is no denying that they do have some fantastic deals, and its just a case of knowing what is an is not cheap
Take last weekends offer for internal doors for £10 (£8 if reserved online via a cashback site) .... normally about £15-18 elsewhere.
The recent 75% off shower tray/enclosures .... which was between 50 and 75% off the prices which other retailers were selling them for, so a really good deal.
Then there was the £5 insulation offer, where you could not get in the carpark for builders vans loading it up
Stanley wheeled tool chest and tool totes are currently on offer for £20 - which is at least a 33% saving from other retailers