That depends on what sector of Congress you plan to run for.
Congress is split into two branches: the House of Representatives and the Senate. The age requirement for the House of Representatives is 25 years of age while the age requirement for a senator is 35 years of age.
This questions has many different answers. None of us can really help you since these are personal questions for yourself. I would help but for example, I don't know if you're interested in learning to play an instrument.
Sorry