I hope OP is not going to be mad spamming his thread

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I want to primary focus on two keywords, these keywords combined have 10k search volume per month, google keyword planner shows that the competition is low. However, when I type in the keyword in Google, it comes like this:
Keyword 1: +1.000.000.000 searches (this keyword is in my domainname)
Keyword 2: +90.000.000 searches
keyword 1 in brackets: +1.200.000 searches (this keyword is in my domainname)
keyword 2 in brackets: +500.000 searches
The competitors are though, some of them have + 1,8 million backlinks most of them do-follow and their website is aged (1 to 5 years old, the pr score is between 1 to 6).
I am reading on this forum that ranking up is depending on how much quality banklinks you have (do-follow) and how well written the content is and the on-page SEO optimization. GSA-ser would be the tool to make good backlinks (tier 1,2 and 3)
Currently I have a facebook page that has more than 2k likes (done it with addmefast, allot of fake profiles). This make it more legit.
Is it possible to rank on page 3/2 or 1 with GSA-ser, I am not going to make backlinks 24/7, because of the age of my domain it would be to suspicious. How much time will it take to rank these keywords? I have red somewhere on this forum that I need also SB to scrape target lists?