He liked lavishness from the time he was assigned with the magistrate of gold mines and wrote a will to put his body in a gold coffin and carry out a lavish funeral after his death (this lavishness was a source of doubt by Ieyasu concerning illegal savings of Nagayasu).
金山奉行などをしていた経緯から、派手好きであり、死後、自分の遺体を黄金の棺に入れて華麗な葬儀を行なうように遺言したという（このような派手な出費ぶりが家康に長安の不正蓄財の疑いを抱かせたとも）。