You will have to start your journey from scratch, gradually developing and improving your establishment, discovering new ingredients and fillings, learning delicious recipes, buying improved equipment, and so on. The better your customer service, the better your chances of getting positive reviews and more tips. And money will be very useful to you, everything is quite expensive, so you have to work hard.
Every day new customers will come to you and each of them will have their own preferences in ordering pizza. They just ask you to make an individual order, and you must fulfill it exactly. After all, if you put the wrong filling or forget the sauce, then the character will be offended and you will not get a profit, plus you will lose a regular customer.