I'm glad that you found it relaxing and fun to increase with hens.
More of a strict conditions and some more chance of loss does make sense. I didn't get there for the jam, though.
The main reason to not sell all of your eggs is that you can get bonuses for selling 6 at a time that are the same color or same size, or both. The bonuses are pretty big, so I think that you could ramp up money faster by storing them to sell with bonuses. That was the plan at least. Of course, I didn't do a great job of making that clear for players.