Trim and remove anything dead, dying, discolored, and any small new growth if you have to. Repot and cover the soil with big rocks so your Cham cannot eat the soil.
Very nice, but you will want to add a bunch of horizontal branches at all levels in the cage, mainly for basking spot and walk ways. Connect them all with vines and your Cham will love his new home.
Nice! And welcome! It's hard to tell since I can't see the whole cage but it looks like you need more plants and branches in your cage. Also I think I see another cage in the picture, if so be sure and put a divider between the two so she can't see the other animal. Sight of another animal can...
I don't since my chams don't like them, I use treats like hornworms, and super worms. Also other things that they don't get as often as crickets like dubia roaches, and silk worms.
Some pet stores have these items but you can also order online, there is some good site sponsors that sell them.
Wax worms are very fatty and should hardly ever be a Cham feeder unless the Cham is under weight. Is there a reason you don't want to order online? That is what a lot of us on the forum do in order to keep a good variety of feeders.
X2 I couldn't have said it any better, do these things and build up the trust with your Cham. Some take more time them others to trust us but most chams that are worked with and not given up on will sooner or later trust you. Good luck!
Sometimes the staff even really good pet stores don't know squat about chameleons, sometime they know a lot. But he is sure not a sambava, I can tell you that much. He could have a little faly in him seeing all that white and having a little extra red rain then most banjas. But it's not uncommon...