If the game can reach something like the other simple Tycoon games, it can probably sell for around $20. But definitely not in early access and definitely not

If the game can reach something like the other simple Tycoon games, it can probably sell for around $20. But definitely not in early access and definitely not until it reaches similar quality/content. If one tries to make a money grab as you suggest, gamers will obliterate the game with bad reviews. A few bad reviews and the game is doomed forever.