Four years ago, for Wang Hui-chen and seven other of his disciples, Tsai bought training equipment which cost more than NT $ 10 million. Furthermore, he uses cameras to photograph them in training in order to correct their flaws and perfect their strengths.
四年來，他為王惠珍及另七名弟子購置了千餘萬元的訓練器材，又以攝影機拍攝他們練習的過程，藉以改進缺點、加強優點。