How do you make money with crypto swapping?

I'm curious, could you explain how one goes about making money with crypto swapping? Is it simply a matter of buying low and selling high, or is there a more nuanced strategy involved? Are there any specific platforms or tools that you recommend for engaging in this type of trading? And finally, what are some of the potential risks and pitfalls that one should be aware of before diving into the world of crypto swapping?