This approach would allow him to sell everything at once instead of being stuck behind the counter for extended periods throughout the day.
Efficiency over constant availability. Use time more productively rather than playing shopkeeper all day, talking to the same people.
This way, he could use his time for training, hunting, and personal development while still maximising revenue through concentrated sales periods.
The kingdom's stronger practitioners had already heard about his impending departure, creating urgency that guaranteed high demand for his products.
Everyone wants to stock up before I leave. Perfect market conditions.
Naturally, with his dramatically increased production rates, supply shortages were no longer a concern. Everything was progressing smoothly according to his expanded business model.
