Awww what a cutie and your welcome. Looks to be right about 2-3 months. The feeder run will help you. Just remember to put it at the basking level so he can see into it while basking. Put a branch close to it so he can easily get to it. You can load the feeder with bugs so he sees the movement. After a few days IME he will understand that is where the food is.
So if you bulb did not say a number then it was a plain daylight bulb rather then a UVB bulb. So good thing we caught that.
Misting will depend on your environment. What I do for mine will not be what you do for yours. But here are links that will help you understand this better.
https://chameleonacademy.com/chameleon-cage-set-up-naturalistic-hydration/
I recommend reading everything actually on that site. It is totally accurate and wonderful information with full explanations. Here is another link on a podcast he did on natural hydration.
https://www.chameleonbreeder.com/podcast/ep-89-naturalistic-hydration-for-chameleons/