Dreaming of many full cans indicates that you will receive good news.
Dreaming of opening cans also implies that you will find secrets that are useful to you.
Canning in the dream of eating indicates that something good will happen and you will have unexpected gains.
If you dream of empty cans, or you throw them away, or get scratched by them, it usually indicates that you will face financial difficulties.
Dreaming of moldy cans indicates that you will receive bad news.
Case analysis of canned dream
Dream description: I dreamed of buying canned food and found it moldy, as if I accidentally ate some.
Dream analysis: dreaming of moldy cans indicates that you will receive bad news.