Minimum charge and package for event

can i use sambapos to make package:
Premium Package

1 Absolute Blue / Smirnoff (choice) - Print to bar
1 Mixer - print to bar
Party Pack- print to kitchen
1 Beer By Pitcher - print to bar

and automatically print them to kitchen or bar,

and can I make a Minimum Charge?

You can do just about anything with SambaPOS. I would start with Tutorials and Documentation first. Here is a great place to start:

Can you explain what you mean by Minimum Charge?