It is better to buy it from Taobao. The cost performance of assembling a drone yourself is definitely lower than buying it directly from DJI, and it is much lower. After all, drones are high-tech products, and DJI is a unicorn in the drone industry. The drones it produces are unrivaled in the world. If you assemble it yourself and spend a lot of money to buy a bunch of parts, it is hard to say whether it can fly in the end, let alone other functions