Thirty was fun!
Ahem.
Good luck with researching potential clients, your own business plan, and what shoppers dare to express regarding their likes and dislikes. Much of what you need is elsewhere, but shoppers here share plenty of information about their part of the equation. Good luck!
My garden in England is full of eating-out places, for heat waves, warm September evenings, or lunch on a chilly Christmas morning. (Mary Quant)