Make iphone only vibrate for a call?

Is it possible to make an iphone 5s vibrate only when receiving an incoming call on silent? When I'm in kik or anything, it vibrates and totally drains my battery. I only want it to vibrate on silent for phone calls.

Why does my iphone 5 case say it can cause cancer?

So I got an iphone 5 case at tjmax and when I bought my case it said a warning on the box of my case which said "this case has chemical products and it's known in the state of California that It can cause cancer, birth defection, and harm. What does that mean? What shouldn't I do with my case so that none of those warnings happen?

Selling multiple items on eBay?

I'm trying to sell multiple items on craigslist but no one seems like buying it even when I offer buying things you like separately only. It drives me insane! I decided to switch to eBay and sell, but before I try I want to know if I violate anything. I'm trying to sell a ton of Apple products (iPads, iPods {different types i.e. Nano, shuffle, touch}, and iPhones all in one listing for a very reasonable price of $1,300. Included is a bunch of cases, other stuff like headphones, and other mp3 players (Zune and Sansa's).

Trying to connect my iPhone 5?

So, some lady ripped me off by selling me her iphone but I guess she owes money on it or something because when I tried connecting it sprint said that I couldn't because the phone is still on someone else's plan but is diconnected. Is there any way I can connect it by maybe unlocking it? Or getting a new simcard? Or i don't know I'm in desperate need of help! Can anyone please help me I would greatly appreciate it.

Play music in car without aux

I have an '03 Ford Taurus and I have no Tape player or Aux cable just a CD changer. What can I get to play music through my Iphone 4s for my car. Relatively cheap also please. I know about FM adapters but what's good, like with static wise etc.