If the price is not high, you can collect it. Especially some influential ones who have held some art exhibitions at home and abroad and won some famous awards. However, the collection of calligraphy and painting requires higher preservation environment, and the south should pay attention to mildew prevention.
In fact, there are only a few influential contemporary painters. Just pay more attention to the exhibition information.
Of course, if you have financial resources, ancient paintings will definitely be better.