Do some reading up on it and you should be fine, they are pretty much bombproof, best bit of advice I ever got though was removing dead or uneaten food after 2 days.
With slings I remove uneaten food after 24hrs as it's harder to tell when a moult will happen. Also, keep the substrate dry and lightly mist one side of the sling tub from a distance every 2-3 days, but make sure the substrate stays dry. Feed every 3 days.