Yes, it somehow really is this close, despite the rally with the creepy "MASS DEPORTATION NOW" signs, the talk of being a dictator and using the military on "the enemy within", the looniness of the "Haitian immigrants eating pets" story that ultimately was entirely made up, and the clear progression of Trump's age-related mental unraveling. Don't like the direction America is heading? It's not too late. The most useful thing to do now is remind people in swing states who are leaning towards Harris to get out and vote. You can do that by directly talking to friends, by posting on online forums, or by donating to get-out-the-vote orgs.
In almost every presidential election, "didn't vote" has had more people in its category than the winning candidate. You have the power to change that. Don't be sitting here in three weeks wishing you had done more.