Yes, in fact deep linking is more beneficial and effective as far as Google ranking and Domain authority is considered. Deep linking gives more juice to the main domain. But normally peoples do mistake and used to build link using their home page only.
Deep linking can be easily done in.. press release submission article submission blog commenting However web directory mostly don't allow for deep linking. What is deep linking? Ans- Suppose you have a blog, if you are creating a backlink using any one of your blog post, rather than creating homepage.
The point is you need to build links of your inner pages too along with home page. If you are doing link building for home page only then it won't look more natural to Google.
Yes, i agree fully with Serp Creation. Basically one has to make more deep link than home page link. You can say in ratio of 4:1.