FoxFi is a free1 android app that lets you use your phone as a mobile hot spot without the $30 monthly fee. The days of having a land line of any sort at home may be numbered.
https://play.google.com/store/apps/details?id=com.foxfi
Footnotes:
1
up to a small byte limit, then you needed to pay $8 for the unlocked version.
UsefulFoo 