I will do high quality manual SEO backlink link building for google rankings

DA for those websites is 50 On average, Keep in mind DA 20 for contextual type backlinks is a Great value. This is based on MOZ only.

Nobody legitimate offers guarantees in SEO, there are over 100 factors that affect your rankings. What I can tell you is that we've helped 1000s of customers reach their goals and will do our best to help you reach yours.

This is quite a hard question to answer, on average it takes between 3-5 weeks to start seeing traction in rankings, however I cannot guarantee this.

No Remember, SEO is an ongoing process. You have to SEO day by day cause if you stop doing SEO then your competitor beat you. Also, for a good result, we have to do SEO and wait 2-3 months.

No they do not, however over 13 years of our experience doing SEO, we did not see traffic as a factor to boost your rankings when working with BACKLINKS specifically, so this is nothing to worry about.