There are at least four pizza business models that you can consider.  You will need to be able to identify the one that most suits you and learn how to make it profitable.

Take n Bake Pizza Events Model

The take and bake pizza events model is where you equip to serve on location at well attended events.  Here you will be serving pizza by the slice.  My manual has a section on how to do this. 

Every year, I turn down many invitations for events simply because I have all of them that I want.  I not only own and operate my own business, but I have a life, too! 

Take n Bake Pizza Mini Model

The take and bake pizza mini model is also a pizza by the slice business, but it is stationary and requires very little space.  My manual also contains a section on how to make your business work using this model. 

This one can be incredibly easy and tremendously profitable, because the pizza by the slice model is simply more profitable slice by slice no matter how you slice it!

Take n Bake Pizza Full Model

The take and bake pizza full model is where you offer the entire menu (and you can do by the slice as well if you choose -- that's what I do). 

This requires a bit of a larger footprint, but you don't have to have a sit-down restaurant space at all.

Take n Bake Pizza Full Model Dine In or Take Out

The take and bake pizza full model dine-in or take-out incorporates everything.  In my own store, I have a couple of small tables inside, and a few tables outside for nice spring and summer season. 

I also do pizza by the slice, and will bake pizzas for my clients.  (I just e a $1 extra to bake it for them).