For example, Amazon, where do they get their products from before they sell it on their site? Do they buy it in big bulks so they get it cheaper or from online suppliers? Where from? Is it expensive to start your own business online?.--Answer1:Amazon doesnt actually have all the products you see listed - its actually from e-tailers that use Amazon. E-tailers buy from wholesalersDepending on the type of business you wish to start, your Business Plan should give you an estimated start up cost.--Answer2:Your questions suggest a level of inexperience. I suggest getting a book from the library or book store on starting a business. Suppliers come from all over - both online and from the manufacturer. However they will only work with legitimate registered businesses. So you have to go about everything correctly and legally i.e. if you are starting a business then you will have taxes associated with that. This is not to say it cant be done, but becoming the new Amazon would be tricky. A kid in school might aspire to become a professional footballer, but it is not a single step to get there. Those who think it is a single step are destined to fail. Those who practice at every level, working there way up taking advantages and learning as they go, suceed..--Answer3:Hi,Heres what Im doing and its going great! Its a simple business to run with all the support you need but a totally free trial to see if its what youre looking for.