What's your normal planet build?
As I'm trying to push for planets at the begining of the game I always buy my starport first and then lay the rest of these in order while maximizing tile bonuses: Factory, Bank, Bank, Factory, Research, Research, Entertainment, Farm, Influence.
This doesn't work on smaller planets, 5ish, but I always build/buy a starport no matter the size of the planet and Factory, Research, Farm, Entertainment.I tend to tax as much as possible so the entertainment is required as soon as the planets star over 5bp
