I find that everything you need for AdWords can be given to you by using the Adwords Campaign Management dashboard, keyword planner tool, and other search engine keyword tools. Essentially, you're looking for keywords to target on search, but instead, you're paying for it. What tools you use depends on your paid search strategy - you may want to target paid keywords that you don't / can't organically rank for (which would be a wise decision). However, if you want help chosing the best keywords and reporting on campaigns, other tools that you can use include:
Digital marketing poses special challenges for its purveyors. Digital channels are proliferating rapidly, and digital marketers have to keep up with how these channels work, how they're used by receivers and how to use these channels to effectively market things. In addition, it's becoming more difficult to capture receivers' attention, because receivers are increasingly inundated with competing ads. Digital marketers also find it challenging to analyze the vast troves of data they capture and then exploit this information in new marketing efforts.
If you do decide to go with a blog though, please, for all of our sakes, do not start a marketing blog. The Internet is littered with unhelpful marketing blogs by novice marketers. Starting one will be discouraging to you since it’ll be much harder to get traffic, and you’ll be writing about things you know nothing about, so please, don’t start a marketing blog.