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can you get internet without wifi
If you have a cell phone with a Mobile HotSpot option and a lot of newer cellphones have it already. You could set up Wi-Fi through your cellphone and connect to the internet that way.
As long as you have your HotSpot cellphone in range of the device you want to use (tablet, laptop, etc...) You will be able to use internet on both devices, your cellphone and the tablet. Your cellphone will work as a portable Wi-fi and you will be using only one data plan.
Hope this helps ;-)