Best seller or Best painter?

I still remember the little story in the book "rich dad , poor dad". One talented reporter refused and got offensive after the author Robert told her to take sales class, she replied" I am a writer, not a sales man." Robert then point out the cover of his book and said" The cover shows best seller, not best writer". Same theory will apply to your art works. You will not want your work worth millions after you die like Van Gogh. You want them worth millions now.

It does not matter you sell your work on e bay or online gallery, you will need to spread the word out. Regardless how good is your work, please remember, if no one knows, it is not good enough. You can get gallery or your agent to help, but no one will promote your work as hard as you do.
You can think being a salesman is necessary evil if you want to.