1. love johncms (most absolutely needed, cz will made u boring if u not love it)
2. take some coffee and cigarretes (absolute for me
)3. get some inspiration e.g another cms module/code snippet.
4. learn every code as an example to learn the structure,
5. implementation.
nb: DONT BE SHY TO ASK! this johncms community is very help in my mods.