Are Xu Dashou's paintings worth collecting? What's the value? Is there any appreciation potential?

Xu Dashou, 1953, from Lingbao, Henan. He is good at painting, writing and collecting. His father Xu Zhixiong is also a famous painter in Beijing. Xu Dashou studied traditional China landscape painting from Xu Lincun. At the age of 25, he studied with Huang Jun, a famous figure painter from the Central Academy of Fine Arts. She studied traditional China ladies' paintings, most of which were ancient paintings. Now he is the president of wangjinglou Painting and Calligraphy Institute. Since the 1990s, many works have been sold in several auction companies in Beijing. At present, the price is moderate, not too high, and the appreciation potential in the short term is not too great.