Most of these consist of administrative housekeeping. However, a few orders involve much more than the efficient management of the nation. They virtually suspend constitutional rights and provide dictatorial powers to the executive branch of the government in a time of real or contrived emergency. There is no provision for how long a state of emergency can last. If the president were to declare an emergency, for whatever reason, Congress's consent isn't required.
Executive orders give the government the power to act as an unaccountable dictatorship.
The states are totally bypassed. The First Amendment would be suspended. Executive Order 10997 allows the government to control all electric power, petroleum, gas, fuel and minerals. Executive Order 10998 gives government control of food and farm production. Government can seize any vehicle.