Gotta get rid of one of the current two first. Here's my suggested strategy:

1. Vote blue no matter who while they slide right. All the leftists hold their nose for the cause.

2. Send the MAGA party the way of the Whigs, absolute Democrat domination until the fiscal conservatives join them, and the fascists and libertarians make their own third parties.

3. Push a new party, leftist policy with blue collar vocabulary. Proper terminology is poisoned by propaganda, "hard working Americans", not "proletariat". You wanna distance yourself from those snobby college libruls.

4. Lefties jump ship, scoop the progressives on the way out. Bam, new second party.