Okay, here's the thing. You have to go into this anime realizing that it was a show designed for Japanese children. It isn't meant to be super scary (although it does have its moments). I personally enjoyed this anime because it does give you a good bit of insight into Japanese folk tales. The art is mediocre but follows a similiar style to many other children's anime.
If you go into this expecting it to be scary and for adults you will be disappointed. But this anime does have some good points. The characters grow and help each other, overcome fears and work together. The show is more or less slice of life and doesn't have a solid overarching storyline but each mini storyline is pretty good.
I wouldn't say the show is without faults but it could be worth a watch if you're into ghost stories that won't keep you awake at night (what can I say? I'm a bit of a coward).