I would get a wireless lav kit. The extra expense will be worth it.
A word of advice for you. Make sure a parent or other responsible adult is with you AT ALL TIMES when you’re wiring up a kid, especially the girls. In this law-suit loving society you don’t want to take any chances of being accused of wrong doing of any kind.
For video editors, finding the perfect portable workstation is like catching a unicorn. It is no easy task to find the perfect balance of performance vs price point.
