If you are planning to buy painting as a hobby rather than as a investment option then there are very options available for you to explore and choose. One among them is the Monet paintings which always had a great market no matter how worse the financial situation is. Although if you are not planning to buy to sell them, you can always try it as a hobby as Monet paintings can turn out to be an excellent option for collecting.
Although you may just be a hobbyist you can even materialize to earn money from them by even exhibiting these paintings and can thus collect money from them. You can indeed turn out this hobby into a very profitable venture easily or if you don?t want to monetize it you can just continue it as a hobby and can preserve it well. Collecting paintings as a hobby though would require some money to be spent and hence it is better that you try to monetize from these paintings in any way possible.
You can also collect oil painting reproductions of famous painters which would not cost you much but would give you the satisfaction of owning the oil painting reproductions of those famous artists which otherwise you would not even be able to buy in your dreams.