You don't need to own a property to buy a Tesla electric car in Shanghai. The main requirements for the purchase of Tesla electric vehicles are to meet the conditions and procedures for the purchase of vehicles, in line with relevant government regulations and requirements. Generally speaking, the purchase of Tesla or other brands of electric vehicles needs to meet the following requirements:

1. driver's license: you need a valid driver's license to drive this kind of vehicle legally.

2. Vehicle registration: According to the regulations of China Traffic Management Department, you need to complete the vehicle registration procedures, including the first vehicle registration, licensing and paying the corresponding vehicle purchase tax.

3. Payment of funds: car purchase requires payment, and you can choose one-time payment or financial loan installment payment.

In addition to the above requirements, some places may have additional preferential policies and subsidies, such as housing subsidies and free parking. You can consult Tesla's official channels or local Tesla dealers to learn more about the specific requirements and procedures for purchasing Tesla electric vehicles.