A label that can be removed easily without leaving any glue behind has yet to be invented. Fortunately, we have peanut butter. Rub some of the tasty spread on the label glue and rub with a cloth.
To help eradicate the smell of fried fish, take a tablespoon of peanut butter after you have finished frying and drop it in the frying pan and fry it off for a minute or two. The smell of peanut butter is the house is much more enjoyable than stale fish and oil.
Peanut butter is a perfect gum remover. It can remove gum from kids hair and it will remove gum from carpet and any other object that is tainted with the chewy stuff. Rub some peanut butter into the gum and you can wipe the whole mess off with a cloth.