I think you think about what you need to BUG IN, first. What do you need in case you and your family cannot go anywhere for a month. List it. Think about alternatives for some things when space, cost or weight gets to be too much. Work towards preparing for that.

Next think about bugging out with a vehicle. What do you have available? Where is that going to get your family and with how much? Where could you head to if you needed to bug out? Prep BOBs for everyone one of you, and in case of your kids, adjust your meals and include entertainment. Feed your children some of those things that you would have if you needed to bug and store things that they eat. When my niece was two canned pasta and peaches were two of her favorites, so those thigns should have been in her BOB.

Once you get from using a motor vehicle to using something else, your problems really multiply. But If you have the things you might need if a car were available, when the car is not available, some of your choices have already been made.