I think you should do what makes you happy, no matter how old you are. I started my first business at 24 and it failed. But now at 26, I'm doing it again and it's working out. I'm happy and things couldn't be better. Some people tell me I'm too young to do all the stuff that I do, but I don't listen to them. Sometimes I make mistakes, but I don't stop. I keep going
If you help enough people get what they want and need, and you'll have that $100,000. Nothing beats helping people get what they want AND making a profit. Sometimes it will be hard, but stay true to yourself and your purpose.
I've got to say this one more time,
if you help enough people get what they want and need, you can make as much money as you want.
Cheers and good luck!