How to do an ice cream business?

Could you elaborate on the steps required to start an ice cream business? Are there any specific licenses or permits that need to be obtained? What kind of market research should be conducted to identify the target audience and their preferences? How important is it to choose the right location for the business? Additionally, what are some strategies for sourcing high-quality ingredients and maintaining food safety standards? Finally, how can an ice cream business effectively market itself to attract customers and stand out in a competitive market?