You can go a long ways toward decent outdoor kit by simply repurposing common household items
I'm of the opinion to use, as much as possible, things you usually use anyhow. When even a small emergency happens, it is comforting to have what you are comfortable using.
Last year Mom bought a solar oven and had used it several times in the summer to avoid generating more heat with the regular oven. Cooking with the solar oven has become so familiar to her that she does not have to think twice in the event of a power loss.
Jeanette Isabelle