Well, I don't think you really want to be a hotspot—but perhaps you might want to put one up so others could use it.
If you run any kind of small business, this might make a great deal of sense. By way of comparison, Schlotzsky's, Inc., which runs deli restaurants, has stated that adding free Wi-Fi to its shops adds more than $100,000 revenue for each store per year (through added purchasing by customers who come to the store for the Wi-Fi hotspot, or who stay longer than they otherwise would).
You might also want to put up a Wi-Fi hotspot simply as a service to your fellow humans (believe it or not, this kind of altruism has largely sparked the growth of Wi-Fi!).
The technical aspects of putting up a Wi-Fi hotspot, meaning ...