For example you are a YouTuber who makes videos about the latest technology. And you give reviews about phones, ipads, tablets and pc's. Then you are approached by a company such as samsung, apple ( just using an example ) And they want you to promote their new product which is the iphone 10. They will then pay you to tlak about the product for the whole video. You are normally sponsored if you have a high base of subscribers and views. For example you are a YouTuber who makes videos about the latest technology. And you give reviews about phones, ipads, tablets and pc's. Then you are approached by a company such as samsung, apple ( just using an example ) And they want you to promote their new product which is the iphone 10. They will then pay you to tlak about the product for the whole video. You are normally sponsored if you have a high base of subscribers and views. Hope this helped I dont get how youtube channel can sponsor other youtube channel. what does it mean? you get boxed?do you get a shoutout? what does the sponsor gain? Well if you 'box' someone's channel on youtube, you are putting them on your channel's main page. Check out mine to see what I am talking about --&gt; NerdzSquared This is all a way of promoting your videos, and driving traffic towards your channel. So someone will go to my channel, and see the other channels