You can save on electricity bill by using energy saving light bulbs, opting for Class A equipment and for example not letting the equipment with the light stand-by on.
As gas consumption, please note the position of tap water to wash, not to open the hot water and no need to spend it with gas, because the circuit is always cold and the water first reaches really hot, I would have to tap to run longer to satisfy the need that had initially.
When you go shopping, with some exceptions, you can choose to own brand products, or products provided by its own chain of hypermarkets. Fact they are cheaper and the quality is much lower. There has been a 15% increase in demand, and of course the consumption of private label products. The price has been increasing weight in the purchasing decisions of consumers.