I just bought the iPhone 5c do I wait before charging?

I wasn't sure if I still need to wait for it to die then charge it to 100% or if they do that for you now.

Information would be much appreciated because I want to sync all my stuff to the phone already

I would use it utnil its 25% or so, then charge it overnight.

Most phones now do not use NiCad which had charging issues. Most are no lithium which can be charge anytime you want.more battery better signal, faster response. No harm. Charge it!

Just let it die out

It doesn't matter, those batteries do not imprint. Though it is always a good idea to let the battery drain totally every month or two.

This should help.
http://www.apple.com/...phone.html

The iPhone uses Li-Po batteries. You can charge and discharge it at any percentage. It is best to not overcharge it (especially overnight) but it won't hurt. It's also good practice to let the phone charge fully and then discharge fully at least once a month.

They don't exactly put it up to full battery.

Waiting before charging is optional, but is recommended in some cases.