Email marketing is paid or unpaid?

email marketing is a unpaid service but if you are a non technical person than you have to hire technical support from some technical person and expertise and that time you need to pay some amount to your service provider so that we can say that its paid or unpaid both and No doubt, when you are taking help from any service provider so they can provide you many source like 24/7 technical support so that you can resolve you query as well setup high deliver-ability platform.