Because the cost of the good that you are renting has gone up? I don't rent my landlord's car, I rent the space in his building. Either the landlord has to ea

Because the cost of the good that you are renting has gone up? I don't rent my landlord's car, I rent the space in his building. Either the landlord has to eat that increase in price out of their profit margin, or it gets passed on to the customer.