What is a unique power of the House of Representatives?

According to the Harry S. Truman Library and Museum, the House of Representatives has the unique power to introduce bills that deal with revenue or money. The Senate does not share this authority.

In addition, the House also has the responsibility of electing the President if no candidate receives a majority of votes from delegates to the electoral college. The U.S. House of Representatives describes its third exclusive power: the ability to impeach civil officers. The House has the power to charge officers, including judges, Cabinet members, Senators and even Presidents, with breaking the law. The impeachment trial is conducted by the Senate. If convicted, the individual is removed from office.