I found that bsfl are real easy to hold between ur finger for a long period of time since they arent the most agile things xD I sorta pinch em and let it wiggle around to get Yoshi's attention.
Here ya go @Beman had a great blog post on this. https://www.chameleonforums.com/blogs/building-trust-with-your-chameleon.2396/ what it all comes down to is time and a lot of patience. Some aren't able to handle their chameleon for months before gaining their trust. I'm still working with mine...
A 2'x2'x4' should be the bare minimum. So anything that size or bigger even is perfect!
Couple of samples https://www.thecritterdepot.com/products/open-air-aluminum-screen-cage-free-shipping
https://dragonstrand.com/
Here's a forum discussing a similar question. Seems you could use a form of pump to pump out the drainage layer occasionally. https://www.chameleonforums.com/threads/does-anyone-know-of-a-pump-that-will-turn-on-as-water-fills-up.163443/
Yea true I've heard people using these as well. They even have brita filters that will go over a faucet on your sink. Your mostly aiming to remove hard deposits and impurities from the water, that's what causes build up in the misting systems. And also cause the white patches of build up on...