Having everything mentioned in previous points is important. However, if you have people holding you back that can all go to waste.
You want to train your family so that they can add value in the event of a crisis. Also, if you feel that there are skills missing, go ahead and find people that have complimentary skills.
Network on forums, on sites like bunkernetwork.com, speak to existing connections that you think may have an interest in this.
You survival team needs to be strong and now is your opportunity to build it!