More questions about Alibaba.com

Has anyone ordered solar power parts from this company? If so, how did it go? i want to buy laptop faily use on Alibaba is true sellers in USA Did anybody buy a food truck telegragphic tranfer of money how much time will take to get some product in (Victoria)AUSTRALIA? I want to open a website with dog clothes, but I do not understand how does this work with Alibaba.com hi, how much is the delivery fee and how long does it take to get what I order? Do you do PayPal to pay? do i have to pay for products before they are are sent? Or do the customers pay first HOW LONG DO DELIVERY TAKES