So I did the stupid thing and completed some of the offers which are a risk and lost money, however I didn't lose too much and it wasn't my money when you think about it as it was the money I had won so don't let that put you off.
I really liked a game Starburst but I soon found out that on the risk free offers I would big time but when I played without using a special offer I just lost the money I deposited so now I just avoid it unless there is an offer.
Just want to reiterate again that as long as you complete the risk-free offers and read the instructions that you will not lose money. I have now made over £1000 and a great new piece of software has been developed by Profit accumulator to make accumulator bets quicker and easier to do, with a guaranteed profit each time. Accumulators can really only be done once you've made a pile of money as you may need to bet hundreds of pounds and it's easier if you already have it in your lay account. I keep around £500 in my lay account (again this is not my own money, it's money I've won)
To give profit accumulator a go, just sign up via my referral link http://www.profitaccumulator.co.uk/idevaffiliate/idevaffiliate.php?id=6577 , btw I received £71 this week from people signing up through my link...so I've added that to my pot.