It is not cost-effective to buy pure DC now. The effect is as good as a better smartphone, but it is not as convenient as a mobile phone.
The picture is light, you can pay the electricity bill, and the effect is similar to that of the popular SLR. Some high-end images are very good.
If you want to learn photography, you might as well buy a SLR. For example, Canon provides popular (100D, 1200D), consumer (700D, 750D), professional (60D, 70D, 7D, 6D) and professional (5D3, 65438). At present, the best half frame is 70D, 6D is cheaper in Quan Huafu, and 5D3 is more popular.