350 a pint? Consider yourself lucky.
California prices are amazing considering the huge crackdown on the specific mixture. Online you find per dose pricing and per dose doesn't account for your tolerance. We are talking ml's here.
The market is dying and more fakes are coming with it. If I were you I'd give up on the potentiation of the antihistamine and admit/submit to your addiction of opiates.
Learn how to CWE hydrocodone and use diphenhydramine/GFJ for potentiation. Lean is of the past.