Good planning (and actually sticking to it) is something you always need. As we have seen, some implementations may require a lot of actions to be done, some of them before the new functionality is implemented, some during the implementation process, and some others right after the implementation process is completed. Some implementations can even be done progressively, so they could last weeks or even some months.
Everything has to be planned and scheduled so that all needed work for the implementation of the functionality is ready on the chosen date to go live.
Take the to do list written in the previous section and determine the following for each action: