1. Not a specific set but I do need to know who is coming before I begin cooking. I'll likely have it be more of a buffet-style for people to take a small portion from each plate that interests them. 2. No, but you aren't allowed any of the wine if under 18. 3. Yes, always. I try to do half and half, and always offer something fully vegan as well. 4. Ah- possibly. That depends on what's leftover? The last time I did this there was very little left.