Here are some tips for Barbu Gourmet Deli located at 643 Marcy Ave, New York, NY 11206:

1. **Try the Sandwiches**: The deli is known for its freshly made sandwiches. Don't miss classic options like the pastrami or turkey on freshly baked bread.

2. **Explore Local Products**: Look for local ingredients and products that reflect the neighborhood’s culinary diversity.

3. **Breakfast Offerings**: Visit in the morning to enjoy a variety of breakfast sandwiches and fresh coffee. They have great bagels as well.

4. **Specials and Combos**: Check for daily specials or combo deals that provide good value.

5. **Friendly Staff**: Don’t hesitate to ask the staff for recommendations; they are often knowledgeable about the menu and specials.

6. **Takeout Available**: If you're in a rush, Barbu Gourmet Deli offers convenient takeout options for a quick meal on the go.

Enjoy your visit!