Cell Phones & Service

I have prepaid Tracfone plan, and I'm considering going to Verizon or Sprint for unlimited plan. Going to use it for email, text, web browsing, gps, video, camera, etc, just about everything.

I'm soliciting any kind of advice you can give me... I want an iphone, but not sure which one is best (they're all so expensive!). Will I have problems if I go with a preowned cell? Also, Verizon is about $80 a month, and I think Sprint is $65 a month for their unlimited plan.

Any feedback will be appreciated. Thank you!

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