Once we made a camp for ourselves, we prepared our own food as we did at noon.
There are a lot of foods that we brought with us. Most of them are dry rations that would survive even if they were not stored in space rings, but we did. So, they would last long, but fresh food would rot even while stored in a space ring, though slowly than outside.
So, first we needed to finish the fresh food, such as that stupid fish that we ate at noon.
What kind of fish rots that quickly, even while stored in a space ring?
No wonder there are a lot of those fish available with the merchant. He didn't reveal the issue behind that before we bought them, only after we did so.
How could he scam a customer like that?
Well, they are all like that. So, we have no choice but to go to the known scammer who is less likely to scam a huge amount from you.
I think that was his confidence about never lacking customers.