There is a really good blog here by Jordan Buck (@jordanbuck) on the basics of trampolining and so do’s and don’ts..
“Jumping up and down on a trampoline is deemed one of the most reinvigorating and amusing things you can do. A few years ago we purchased a trampoline because my sister really longed for one, and it is still sat in our garden today, blanketed with leaves from the various foliage scattered around it, but still very much intact and as good as new…”
You can have a look at the rest on Jordan’s piece on trampolining.