However, even if that strategy is somehow successful, again, and Biden does manage to get reelected, the Democrats MUST nominate a better candidate in 2028.
The Constitution mandates a maximum of two terms for a President. If he wins, he can’t run again. He can technically additionally serve up to half of a term without “using up” one of his terms if he’s vice-president and the serving President dies.
The two-term limit was originally purely a convention that had been set by George Washington, who was getting on in years, wasn’t many years away from his death, really wanted to retire to his plantation (as in, he didn’t even want to serve a second term, and was only convinced to do so by politicians arguing that without him, there might not be sufficient unity), and was also extremely popular and would have been re-elected again.
That convention held until FDR broke it and ran for four terms. In response to that, the Twenty-second Amendment was passed, prohibiting anyone from having more than two terms.