How do presidents get paid?

They get a set salary per month. Congress votes on it and the one they get as well. Some presidents don't take the salary because they don't need it. JFK was one who didn't. The presidents pay for their household items and food. Only state dinners are paid for by the government.
The Federal government pays them. Congress sets the salary. They have to pay their living expenses.
They are paid through the Federal government. The salary is set by Congress. Several took no salary and all pay for their house hold expenses.
They are given salary set by congress. Many like JFK took no salary as president. All presidents do pay for their living expenses while in the White House.