Technical co-founders, while important, are hard to come by.
Hiring a developer versus outsourcing to external vendors -- it's an eternal debate.
If and only if you think your company has reached product market fit and you need money to scale because you have nailed it do you actually need to raise money.
Mark Zuckerberg still looks 17. It's not a problem. Definitely don't lie about your age. Flaunt it.