If you make a lot of big purchases, you can get a lot of cash back by using cashback credit cards, although some cards can have a limit on just how much of a rebate you get back.
If you are looking to purchase some bigger items like furniture, you might want to checkout cashback credit cards and to see what kind of rebate is on offer for these types of purchases.
The better cashback credit cards will normally push a lot of rebate cash your way simply for purchasing some of those bigger spends.