What skills and resources do you have that would be useful in an emergency?

Do you know about the Cajun Navy? Robin Burk cites their role in rescuing people in Houston during the aftermath of Hurricane Harvey. A couple years later, though, systems collapsed in Puerto Rico, even though the US Navy had ships full of needed materials just off shore. What skills and resources do you have that would be useful in an emergency? The potential for system collapse is real and it is growing.