If buying paintings is your hobby then you can easily monetize from it by either selling those paintings or organizing an exhibition of those paintings and thus benefiting from it. Although if you can to just follow it as an hobby then you would be needing extra money to spend on maintaining and spending on these paintings which would only be possible if you can afford to do so.

Care should be taken while buying paintings as an hobby because of the fact that there has been a significant rise situations where there were instances where duplicate or fake paintings have crept up. And all your money will go waste if you end up buying fake paintings.

To avoid such situations you can go for buying oil painting reproductions which are nothing but the exact replicas of the paintings of the famous painters like Van Gogh, etc. You can thus save huge money on buying the original ones and also get the satisfaction of owning the paintings, although replicas, of great painters.

These oil painting reproductions can be brought online at some exclusive portals which sells them. Or you can buy them through auctions. This would turn out to be a great way own paintings at cheap price.