when i go to bells or tesco and pay for anyhting with my credit card they ask me if i want cashback. my card has a £100 limit and i have tried takking money from a cash machine but it wont let me, will it work in this circumstance?~?

who cares about yet another credit card? Well, I thought to bring focus to one of those ways you can actually save money, provided that you are highly disciplined with paying your bills and managing your debt. How about revisiting the topic of rewards credit cards? When you use such cards enough on your usual purchases, you can get cash back: up to a 5% rebate from some of the better rewards programs out there.
I like that this cash back credit card offers up to 5% cash back on everyday purchases - including gas! 0% APR for new purchases. No annual fee. The trick to using cash back credit cards is to know the types of purchases that qualify, be sure you use the card enough to qualify and to pay off your credit card balances on time.
I’m not the only one who thinks that the American Express Blue Cash Card is one of the best cash back credit cards available. In fact, it’s been repeatedly cited as the one to get for its great rewards — this according to none other than Consumer Reports and more recently, MSN Money’s Liz Pulliam Weston.
One more thing, the good news — so far — is that this card hasn’t really changed its terms much since it was launched, unlike many other popular cards that have been altering their programs of late (or will be changing their programs in the near future), so it’s something I’d check out if I were shopping for a card.

Great advice.