Viticulture
Can you use the sell-grapes space to sell zero grapes for its bonus?
The designer answered this in two posts, and the rulebook's sell-grapes action agrees.
- jameystegmaier · Designer · 2013-06-02
- jameystegmaier · Designer · 2013-06-27
- Viticulture rulebook · Rulebook · Sell Grapes
No. You must sell at least one grape token to use the space; selling a single token is enough to claim its bonus.