That’s the story with the statues in the POI. It was meant as an introduction to the trading, and not a permanent thing. It’s all about buying and selling, not as an additional expensive reward in POIs.
And yeah, of course I traded for them, that’s also the point of trading, buying cheap and selling expensive. Knowing where to buy, where to sell, the prices and how much profit can one make with a deal is all information and knowledge a trader must have. That was how I worked at first.