If you are interested in learning about these amazing plants, or have trouble keeping things alive, I just found a great website where you can not only purchase them, but you can also take a free course on the care of succulents. Here is the link!
https://www.succulentsandsunshine.com/successfullygrowingsucculents
Succulents are often supposed to look a certain way. Some of mine are missing leaves or have stems that are "too long," but I love them the way they are!
Cheers!!