youtube promotion without adwords

For local business places, we all digital marketers do not have enough budgets. But they have to competition with their competitors so to decrease the budget we publish videos in Youtube channel. This have two sided benefits One of them is, you do not lose your budget... Second of them is, you increase for google ranking... People want to watch somethings what they searched and so many people do not prefer to read somethings. When you make a video promotional you can reach the real demography and you can find to people who will buy your promotes... This is the little example for this working style on this marketing strategies.