Most people dye their eggs as quickly as possible and do not heed their parents' advice. Most often, eggs crack when boiled, so to avoid this unpleasant situation, you should add vinegar and salt to the water in which you boil your eggs. Thus, both ingredients have the function of strengthening the eggshell, and they do not crack when boiled. In addition, they will be easier to peel.
When boiling Easter eggs: What do you add to the water so they don't crack and peel easily?