Help save the environment by buying used products

We all go shopping and usually we want new articles to test them in first hand. But crisis is all over the place and buying second hand articles are becoming a popular option for those looking for cheaper products. If you are looking for computers, routers, voip phones or hardware you know how much they cost when we buy them new. However there are a lot of people that replace their equipments for new and more sophisticated models although the models they have are in good conditions. Where are