Asking for said consult BEFORE sinking all that money into CO2 would be your best bet…
Barring that, I suggest you use the gear you purchased for winterization to extract with ethanol. Especially if it came with a decent sized centrifuge.
To get off the ground, you could even use a IBC tote based version of Bucket Tek (Cold Ethanol Extraction on a Budget) which I’ve seen used at scale.
Sunk cost fallacy. Only way to dig out of that mistake is to recognize it as such and move on.