Actually what the OP needs to do it calculate the amount he will spend traveling using this website:
Hyperdia | 乗換案内 路線検索 時刻表 ゴルフ場 旅費精算 通勤費なら and then determine if he will save money by purchasing a JR rail pass.
Be advised OP though, non JR lines, like many subways as MMM mention are not included in the JR pass.. so calculate accordingly.