How profitable is selling ice cream?

I'm curious to know, just how profitable is the business of selling ice cream? Is it a venture that consistently turns a high profit margin, or are there factors that can significantly impact its profitability? What kind of startup costs are involved, and how do they compare to the potential earnings? Additionally, what strategies can a business owner employ to maximize their profits in this industry? I'm eager to understand the financial realities and opportunities of selling ice cream, so please provide me with a comprehensive overview.