For 7oz, 3hrs & for 8oz 4hrs

Every candle/fragrance is different & requires different placement. Never place candle under A/C or any drafts, flame should not be excessively flickering. Try a corner in living space, if you can't smell the fragrance within 1hr/30, try moving it next light to a different part of the room till it improves

Simply blow out candle or use a snuffer. Once candle solidifies after an hour, gently trim wick to 1/4, be sure NOT to put too much pressure to indent wax