Your Caravans trade closer to market price instead of the meager 2% caravan bonus
Even a 30% bonus is weighted against a 50% selling penalty, so game difficulty and skill is still relevant.
Colonists on a caravan get a Mood bonus, more if they have beds.
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Ludeon Forum (modlist) : https://ludeon.com/forums/index.php?topic=40701
GitHub source : https://github.com/alextd/RimWorld-ThePriceIsRight