Where did you get the idea that you have to pay for an answer?
We always encourage people to register on the forum in order to participate in a discussion -- but registration is completely free.
Keep in mind that it's often impossible to answer many of the initial questions that people post here, due to the lack of details. That's why we ask people to register and give those details.
We're also a nice group of people here, so kindly leave any attitude at the door.