Yeah, I get it. Hearing "I told you so" can get tedious. You know what else is tedious? The endless chorus of "We're so fucked! What are we gonna do now?! Why didn't you warn us?!" So, you're going to have put up with the daily, "I told you sons of bitches so."
It's really, really hard to unseat an incumbent. All things being equal and barring some catastrophic event, if the economy is decent in 2020, Trump will almost certainly be reelected.