I have a Sumatran short tail (Black Blood) and a Sumatran T Positive albino and I really enjoy them and can't wait until they grow up into big chunky adult girlies. Right now I have each in a 28qt tub since they're smaller, but when they're full grown adults they'll be in 4' vivs (possibly 6' depending if they get larger than average). I have them on newspaper/paper towels without issues but I know people use other bedding to hold humidity better. I keep them at around the same humidity levels as my balls/other snakes and each have no problems shedding: though they can withstand higher levels of humidity.
As far as temper goes, my albino is a sweetheart. My short tail has gone through a striking/defensive "aggressive" stage but I've been working with her more and she's been doing wonderful. Have yet to have her strike at me again and she's been relaxing when being held. It depends on the snake: my advice if you're worried about temperaments is ask the breeder/seller how the snake is with them and perhaps start with a younger one.
My T+
My Black Blood
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