Well made rosin should have quite similar potency to most other primary extraction methods, but the yields on flower rosin are generally lousy. Collecting trichomes first and pressing those does a much better job.
What are your actual goals?
Is this a business plan?
An educational endeavor?
Your question has some crossover with many of the “I’m new to this, help?!?” threads….Eg:Noob looking for the best way to extract oil and resin and Noob Seeking Feedback on Low Budget Extraction Approach via Ethanol
And you should check out: Rosin press go brrrrrrrrrrrrrrrr to get up to speed on squish.
Highly recommend the data dump, I suggest starting in the books section…