Depending on how many other hotspots are within a few miles, a unit can earn $2-100 worth of tokens per month. The more nearby hotspots, the more revenue.

Yes. A hotspot does not allow remote access and has undergone extensive security auditing. For additional protection, you can put the hotspot on a guest WiFi network..

Just plug it into a power source, connect it to your wifi, and put it by a window. If you can put it on your roof and upgrade your antenna, you can earn substantially more HNT.