What is a laying bin? Is it a resting area for them? I was going to get pothos and maybe a ficus tree, would this be enough for resting? Would you recommend that I get a resting bin?
No, the laying bin is for them to lay eggs.
There are very good caresheets that will answer most of your questions.
Take a look at them, read them carefully -twice
Come back with questions.
It is great that you are preparing for your cham ahead of time, but there is a good amount of research to be done. https://www.chameleonforums.com/care/caresheets/veiled/