Cook ingredients that you are used to cooking by other techniques, such as fish, chicken, or hamburgers. In other words be comfortable with the ingredients you are using.
I love using gas grills because they are easier to heat and it's much easier to control the flames with a gas grill than with a charcoal fire. Grilling is not just about lighting a fire.
If my daughter wants to get into this business, I would support that decision. She's going to have a hard time not being in it. She loves food and she's around it all the time.
There are so many great things about this business. Almost everybody is on the same team. It is all for one-friendly competitiveness. No one is out to hurt anyone.