And Truman didn't have a penny to his name though headed the US at the top of its might and unleashed more firepower on its ennemies than any army in history. It doesn't mean much.
Wasn’t Truman the reason that US presidents received a pension after leaving office?
That was Grant. Grant finished his memoirs on his deathbed so that his widow would be provided for by money from their sale. He was also a damn good writer and Mark Twain published it which didn't hurt.
While Grant was financially troubled, the pension wasn't passed until Truman was destitute in 1958.