How to earn money with Group Buying wave hit Malaysia?

I guess everyone knows of group buying as the wave has hit Malaysia since the end of 2010. The most significant move is the acquisition of Groupon of groupsmore to become Groupon Malaysia. Before that, Mydeal has established in the market and afterwards, Nuffnang’s own Milkadeal and Dealmates that associates with MSN and Lowyat Net. These are the first movers group. The late comers are jackcow,