It costs you more to post on dtube compared to dlive as well! See this post by @fabiyamada:
https://steemit.com/steemit/@fabiyamada/is-it-posting-free-analyzing-the-steem-platforms
And also by @brandonfrye: https://steemit.com/dtube/@brandonfrye/i-m-boycotting-dtube-and-here-s-why