Some good things at the Dollar store, like 4 packs of "bic" lighters, etc.

But beware tools and knifes. I bought their "Army Knife" to see if it was worth buying several to stash here and there. It wasn't. I threw it out lest I grabbed it by accident and depended on it. It wasn't so much that the blades were dull: I could sharpen them. But all of the other tools were dull and rounded also. They simply didn't work. So try it out before you depend on it. Maybe YMMV (and be better then mine.)

BTW, your approach is right in line with mine--see my signature tag line. . .