Christmas Money Saving Ideas

When there are a lot of people to buy gifts for Christmas can be daunting, and not to mention expensive. It doesn't have to be. Already this week I showed my mum how to save £7 on her purchase with the help of Google! Not to mention introducing two of my eldest to Topcashback on 'have to purchase stuff.'
First things first though, I do start in January. Stuff is sold at knockdown then.
I will share some of the ways I have saved money this year:
1) Closing down sales in the summer. (75% off stock prices)
2) Buying random Poundland purchases throughout the year. (Stock changes)
3) Groupon etc for stuff like gift vouchers. ( recently purchased two Curry's gift vouchers for £10 instead of £20)
4) Amazon Warehouse deals, and 'seconds.' (often just scruffy packaging)
5) Googling the item you are looking for for the lowest price, and possibly getting it secondhand. (I just got a book for £3 instead of £12)

My golden rule is that I never buy a large item without pricing it online first. Often you can consider a secondhand, or refurbished version too. Great if you are on a budget!
Please share any tips you have in comments. Oh, and don't forget topcashback!