Although Wu's works sell well, he also pays attention to his personal artistic growth. To commission Wu to paint a work costs between NT $ 50,000 and NT $ 1.5 million (US $ 1,250--37,500).
畫價從新台幣五萬元到一百六十萬元不等。吳炫三說：「一幅畫的畫價雖然沒有絕對客觀的標準，但也不是隨便訂的，要看畫幅的大小、內容、畫家所花費的心力，以及知名度而定。」