Hi! Where do you buy spare parts for your car: online or offline? Now, it is very comfortable to buy online. There are many marketplaces that provide us with all products and goods we need. For the last several years, marketplace development has become very popular. However, marketplace development cost can strongly vary. Everybody wants to reach such results as Amazon has reached and want the same structure of marketplace. The final cost depends on a set of factors. The main ones are the hourly rate of your service provider and the structure of website.