What is the best way to use GSA SER?

visacard

I bought GSA ranker a few days ago and it works very well. 

What is the best way to use GSA SER for ranking some website? Backlinking to tier2 urls or to tier1 urls? How fast is good to build links?

Thank you. 

grax1

First of all, check this list of tips and inofficial FAQ