DISADVANTAGES OF PRESIDENTIAL SYSTEM by keypoint Too expensive to run. It gives too much power to the president. There is high level of lobbying. It leads to delay in decision-making. There is too much struggle for political power. Others are Viewing: PRESIDENTIAL SYSTEM OF GOVERNMENT MERITS OF PRESIDENTIAL SYSTEM DISADVANTAGES OF UNITARY GOVERNMENT DISADVANTAGES OF FEDERAL GOVERNMENT DISADVANTAGES OF CABINET SYSTEM DISADVANTAGES OF MONARCHY DISADVANTAGES OF A REPUBLICAN GOVERNMENT