anybody got kids, past or present i got questions

You got it easy right now believe it or not.
Wait till they are in thier early teens.

Got a 14 year old in her teens. We take her phone every night at 10 pm, and we look thru it to make sure theres no shenanigans going on. Lately she had abused her supposed best friend on a social media site. We told her that wasnt acceptable, she is representing us, we took her phone until we decide she gets it back, we changed all the passwords to her social media sites, so she cant get on them during the day using a friends phone at school. her she can only use facebook, and email when she gets the phone back, she is also grounded. We tried using sprint parental controls to automatically shut off the phone at 10 pm and during school hours, but sprint cant do this with an iphone 4S.

She was upset about the phone, but my wife told her its our phone, we paid for it, and we pay the monthly bill for it. Its a privelege for her to use it not a right. When she is an adult moves out and pays her own phone bill then what she does with it is none of our business, until then as long as she lives under our roof and we are paying her way, everything she does is our business.

I believe her younger siblings are watching all this.