[header] How to get trade prices on building supplies for diy projects [title] Search high and low. [step] Thankfully for anyone about to undertake a diy project, searching for products doesn't mean trawling a trolley up and down endless shopping aisles anymore. Everything you need is now only an internet connection and a few clicks away. 
Simply typing what you need into your preferred search engine will provide you with a long list of links to your desired product. Often you'll be able to find a wide range of varying prices for the same product online.