How to avoid using so much Data?

I used to have Verizon unlimited everything. Now they brought this data plan($$$) were I'm allowed just 10GB a month for two iPhones.

I'm already on 8GB used and I still have 18days to go.

What can happen is I go over?
How can I avoid using so many GB?

Should I use Wi-Fi at home?

Use Wi-Fi at home so the data won't be used then when your out turn on the 3G or 4G whatever you have. Also if you have the 3G or 4G on and your not even using your phone the gigabytes won't be used.

If you go over, they will give you an additional amount (probably 2 GB) and you will be charged an overage of probably $20 or so. Using wi-fit at home will certainly help, but it's probably more important to figure out exactly how you're using so much data.

Using that much data, you must be streaming Pandora music, watching movies, etc. Try doing without so much streaming. Build up your iTunes collection and play music from your own collection. If you are streaming Pandora, go for a lower bit rage. Don't watch movies / TV shows on your phone either. It's a nice novelty thing to do, but if you're on a 'data diet' it could be more expensive than it's actually worth.

Switch to Sprint, UNLIMITED DATA: D! I use 32 gb a month. And I just got 4G LTE here and i get speeds of 18mbps

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