video submissions are very nice source of income as well as visitors.. u can gain income by monetize it with adsense.. and also drive the visitors from that video to your site using description optimization....
Video helps to get more visitors. So promoting videos will be helpful. So if you want more visitors to your videos then you can submit your videos in the video submission sites
Video submission is the important tool in SEO to promote the website or business.So, from this, people come to know more detail about your products and services.
Users prefer videos over text information.... Submitting videos on Youtube (with website links in description) makes your website appear high in SERP rankings... Because video have a better chance of ranking high in search results.
Video submission also another way to promote the site in SEO.This is also generate the traffic to sites.