I don't own one but I happen to do a TON of research on reptiles and roaches.
Various sources say
keep them at room temp
Mist to keep humidity up
Get that repashy crested gecko diet for the health of the gecko
When babies, always have fresh crested gecko diet and feed insects once a day
When adults, feed them repashy diet and feed insects once a week
Taller terrariums are recommended
I suggest having a reliable digital probe temp in there
You can deck it out with live plants and make it as complex or as simple as you want it
They make great pets
I held my first crestie at a reptile show this year and I thought it was way different than holding a Leo or a beardie because you always have to be on your game and almost have to keep an eye on them when outside of terrarium
They seem like a really cool, easy, fun, entertaining animal to have!
Now I only have a beardie right now but I'm working my way on another animal