Back in the day when i was a supplier myself, i bought my product in a little more volume then i do these days.
I wanted to stay small tho, so 100g each time was enough.. that costed me 400 at first, but as my supplier moved up the ladder (i think) the price dropped to 160.
That is 1.60 a gram, and i sold for 7,50/10 euro a gram... for me it covered the costs of my own use, and my daily groceries.. bills i payed from my daily job salary, and saved quite alot of money..
Today i have 2 vendors where i can buy for my own use, each with different prices.. by #1 i pay 35 euros for 5 grams, the other one 40/50 euros for the same amount.
#1 has stuff that varies in quality, #2 always top notch quality... not 73% if it is amfetamine sulphate, but if i have to guess close to 65% purity..
(i know both are a bit expensive)
(offtopic)
thing is.. personally i thought the product i got when i was a supplier myself was severely fluctuating in quality, even from the same batch (as i've been told when i complained) It could be really good (and how the stuff appeared and smelled (i know, should not be any smell) was good as well) to almost no effect (shitty soaking wet crap, as viscous as milk, which dried up as a rock hard chalky matter, and burned as a motherfucker)
With the latter i also received complaints from my clients.. so when i got this milky stuff, i decided to do some kitchen experiments with it..
First the normal acetone/isopropyl washing methods and water dissolve test after drying it, but out of 100gr these methods left me with 30 to 40gr of product after...
That was too much to cover the costs, and i did not want to sell the milky stuff anymore, so on a smaller scale for my own testing purposes i did some wild tests with it:
What happens if i would dry that milky stuff on a metal non-rvs sheet? the sheet turned solid black on the spot where i smeared it out. so with no chemistry background at all, i guessed that sulfuric (or any what was in it) acid was the culprit here. so i sprankled some baking soda on it, to even it out a bit.
This caused the sheet not to turn black anymore indeed, but the product was still shit.
Sometimes my supplier gave a bag of caffeine powder with it "so i could cut it myself" when the product was of good quality.
I didn't like to cut the stuff i sold to my clients, so i had quite alot of caffeine still laying around, and sprankled some of that on the shitty stuff which i also sprankled baking soda on.
At first it seemed not to do anything, (and i didn't think some reaction would took place either), so i scooped everything up, and stored it in a plastic container..
Next morning it turned bright orange, and lumped together as big chunks.. I tried to ask it on several fora's that covered chemistry back then, but most of the time i got laughed at, or an instaban because i was talking about amphetamine.
To this day, i still don't know what happened when it turned orange (and it seemed better in quality as well, so i gave it to my closest clients, told them what i did with it, and they confirmed the boost in quality, but disliked the color of it.. (like they should)
So.. this could be the caffeine we felt after it turned orange, but what would have caused it to turn orange.. a color change is a reaction, right?