Another one.... SA has a terrible disease of companies not responding!

I do not know if this is a worldwide phenomenon or only a disease in South Africa but I am so sick and tired of companies who either simply do not respond or have bad customer service overall. For several days now I emailed Builders to their info email to get more information on one of their products. NO RESPONSE. If you cannot even respond when someone wants to buy something from you then how can we ever trust you to provide proper follow-up service??? My question was extremely simple: For the Megamaster Como fireplace that you are advertising: What is the size of the flue pipe that fits this fireplace? Do you have in stock and what are the prices? Very very simple question. I want to spend my money with you.... can you please just respond!!!??? DO NOT phone me, EMAIL me.