In the online comic xkcd, the main character created a service that arbitrated prices between two online stores. The service was successful and he was able to make a profit. However, the service was shut down by the government.
There is not much known about xkcd arbitrage services, as the company is relatively new and not much information has been released about them. However, from what is known, it appears that xkcd arbitrage services is a company that provides a service for people to arbitrate between different online services. This can be useful for people who are looking to get the best deal on a service, or for people who are trying to find a service that meets their specific needs.
In conclusion, xkcd arbitrage services is a great way to make money. It is a simple and easy to use system that can help you make a lot of money.