No impact on search results since Real Time Search and Web Search on Google are completely different.
Just continue building links.
Here's my SEO tips in building links you must consider the consistent on the number and quality of links.
There are no guidelines on building links. Google gives penalty to those sites has inconsistent link building.
Did you check how much traffic that keyword gets on adwords?
You can get more article submission sites when you use Google.
There are only few do follow directories nowadays.
Cloaking is hiding your keywords of blending it on your website template.
I'm also experience this everytime my website is dancing on SERP's.
That is not advisable since Google checks if your articles are unique, spinned, or duplicated.
adwords is the most accurate tool for this.
Yes, link wheel is a legitimate process but abusing this method can trigger search engines to give penalty to your site.
SEo is search engine optimization while SEM is search engine marketing.
Separate names with a comma.