I just have a vague plan, and then react as needed as the situation changes.
I have a 5 year old daughter, so that limits my options a bit. My Plan A is to hunker down and stay put. However, I never want to be in a situation where I am on my roof/looking out my windows defending the house, as then I am pretty much screwed. My hope is that my neighbors will work together to keep some kind of order, if not I move to plan B and GTFO of town. If I cannot bug out using my car, I have a bike with a chariot for my daughter/supplies.
All in all I think it is better to have planned reactions to various situations and adapt as needed. IMO for long term survival, there has to be some kind of rebuilding of society as hiding in the wilderness with just my daughter isn't much of a future.