If you want to sell car parts, you can set up shop online and market those parts to customers all over the world. You will need to consider the shipping requirements of your local postal service to make sure that you are in compliance with the proper way to ship the parts. There are safety measures which must be considered when packaging a part for shipment. Additionally, you must be aware of the regulatory guidelines associated with other countries, if you end up selling to someone elsewhere in the world. Besides shipping, there may also be fees that must be included in the final cost of the part if you want to make money.