They need to unload their diseased rat livers somewhere!

Unrelated, but what is that black/dark grey thing on the desk?

You find three goblins in a trenchcoat with a shack full of dubiously acquired merchandise of poor quality. They’ll buy your loot for 12 silver, a shiny button, and this really cool bug they found yesterday.

Sure be a shame if all that selling screwed up the economy enough to completely offset any gains of collecting everything they can carry and immediately sell it instead of, y’know, roleplaying how actual people in that world would behave.

“I can give you 50 gold, after that we’ll need to get the weights and measures out to trade goods. Don’t worry, I don’t cheat my scales.”