This is old but still going strong.
most SEO experts will look at this and say not worth the hassle.
the truth is youtube itself in google get placed very easy at the top of hard or longtail keywords if you know how.
you don't need to no anything except longtail keywords with good monthly volume and good CPC or no CPC up to you.
you need to learn to optimize the video info and add a very good avatar.
in 2019 we now use fresh lists of good web 2.0 or edu backlinks to the video's, scrapebox or GSA with lists.
if you use all 15k longtail keywords for each niche and no what your doing can earn serious cash.
it called video marketing been here for many years.
there applications that designed for this.
but as explained there also this freeway.
the method gets used for local keywords for promoting the local business as well.
a lot of marketers found quora and reddit a great traffic source for this method.
gd luck.
how to set up the video.
1. you need an intro clip of the www where they're going to get the deal, also show pics of product.
2. you need to show clips of the product of what it can do to change your life. ((_watermark all clips of intro URL))
3. google needs to no that there sound over the whole clip, so voiceover on the whole clip needed 100% gives the video strength in indexing. (( even bad robotic English works ))
4. outro needs to emphasise the product and URL.
5. an avatar is needed, it means a nice realistic product image with a URL on it.
(( better the image the more views ))
trick
when you upload the video, you do the title, description, hashtags.
publish video log out
go back in and add the URL of the website to the deal on description.
youtube ai cheeks if the link goes to any deal from the first upload, bypass this way.
good luck
I would mention how the SEO title and description is setup but ill get pm threats.
people are paying big cash for this info ...
domain to deal.
must be on an https and a .com to look Profesional.