I don't want to discourage you, but the first thing you should bring to mind is that your plan is an economic challenge. You should do a careful research whether you have found a gap in the market in your region.

- Will you be able to attract enough potential customers as you need?
- Will they find your cafe just by passing by?
- Or do you have to spend lots of money in advertising?
- What about already established competitors?
- How much money has to be invested?
- Will you be able to bridge the first months without earning money?

I don't know anything about the structure of the environment in which you plan to establish your firm. But these were the questions I became aware of when I read your post and I think they apply under any cirumstances. As soon as you are sure that you have a real chance you should go on to the technical details, which of course are much more interesting for someone like you and me :-)