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How can I achieve that?

I agree, but that's what is so awesome about steemauto and curation trails, it's automated. Therefore you do not even need to upvote to earn.

If you want to know more, you can check out my newest post where I explained more: https://steemit.com/giveaway/@sacryptocollect/give-away-curation-trail-we-get-paid-to-upvote