What can I barter with?
When most people think about barter in or after a crisis, they think of what do I have of material value like gold, silver or tools that can be used to barter. The problem is that word will get out that you the one with the goods.
This can make you a target for attack very quickly. People will want to beg and borrow from you and then want to steal from you. This could easily leave your family high and dry.
Those friendly neighbors from down the road could turn on you if they're told you only have enough for your family or you might not even have that. Once people get hungry and desperate they won't be near as civilized as they would be under other circumstances.
There are skills which can be used for barter and they cannot be stolen away even if people know you have them.
Survival skills that you have learned like starting a fire without a lighter and your neighbors have no idea how to do it. You can purify water to prevent dehydration.
Construction skills like roofing or carpentry are very valuable if there is damage to houses as in most natural disasters. What are you willing to trade to keep a roof over your families head? How about putting a door on to lock out other people?
Mechanics can get a car up and running if they have their own tools. Many people are going to want to leave following a disaster. Most people today can't work on their own car.
Small engine repair is similar to mechanics, but just different enough to keep most mechanics from working on them. During a crisis you'll be in demand as people will be using generators and other small engines for repairs.
Survival gardening will keep you from going hungry. Your neighbors may not have one and may want to barter for some of your fruits and vegetables. They may want to also barter for your seeds and knowledge on growing them.
Animal breeding and your ability to raise chickens, rabbits or goats for what you need will feed your family. Your hungry neighbors are probably going to want some too. They will want to barter for an animal or two. If the supply line is cut for an extended period, then they may want to barter for two of each live animal.
Defense skills can be bartered as a service in helping keep your neighborhood stay safe from gangs and invaders.
Grunt Labor is always in demand after any disaster or crisis as there is always plenty of heavy lifting to go around. You can barter your labor for food or water or whatever you need.
Medical professional will be in high demand after a crisis. These specialized skills will come in handy immediately after the crisis hits and in the wake that comes afterwards. Even without a full medical bag a professional could still set splints and treat injuries.
In end anything that you and your family are going to need or want others are going to also. Any skills you have and can use make you more valuable to the community and easier to barter with.
In a worst case scenario supply lines may be down and you may not have a job to return to for a while if at all. If the supply lines do get severed you will need to barter to try to get life back to as normal as possible.
In a catastrophic event, whether it's the economy,natural disaster or man caused your skills are valuable. These skills become even more valuable as time goes on and are completely mobile if you get overrun or have to leave.