Due to the space limitations of a text message, please note that it is particularly important to read carefully, pay close attention to the context of the question, and use the answers as a springboard for further study.
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Q: If you forget to light candles one week, then why do you have to light an extra candle every week from then on?
A: The idea is that since adding another candle incurs an additional expense and extra effort it will impress upon us the importance of not neglecting to properly honor Shabbos – and prevent it from happening again in the future, in addition to possibly even deterring forgetting to light in the first place (MB).
Q: For Sefardim, does lamb and veal require the “Beit Yosef” standard that cattle beef does?.
A: Even Ashkenazim require the “Beit Yosef” standard for those species. So any reputably kosher certified lamb or veal would be acceptable for Sefardim as well as Ashkenazim, even if it did not specify that it is Beit Yosef.
Q: If I bake challah in a dairy oven, wouldn’t the challah be diary as well?
A: If there is any liquid dairy food that emits steam cooking with it, then the bread would be dairy as well (and it is forbidden to bake dairy bread in case it would be inadvertently eaten with meat). If there is not a diary food that emits steam cooking with it, then, as long as the pareve food itself is not a liquid and does not emit steam it would remain pareve (Iggrot Moshe YD I:40). Bread, since it is not a liquid, is a food that does not emit steam therefore the challah would be pareve.
Q: Does honey require a hechsher?
A: There is no consensus among kashrut organizations regarding this issue. If there is no price difference, it makes sense to buy the certified product (whereas regarding other products, that might not be necessary). If there is a price difference than one may be lenient.
Source: Rabbi Isaacs Blog