Hello i am in great pain but i cant afford to get my teeth fixed, i need help to get to the detist as fast as possible but it costs so much.

Hello i am in great pain but i cant afford to get my teeth fixed, i need help to get to the dentist as fast as possible but it costs so much. I got told by the dentist on a check up that my tooth is decaying and it might be a root canal if i dont get it fixed fast.