It's worth stockpiling the pure concentrate in crystal form imo, the tablets are insanely marked up, and the pure extract can be vaporized/smoked, drank in solution like tincture or lean, or eaten in gel caps or gel tabs. It's significantly poorer per dose than O-DSMT or buprenorphine. I got a gram of 63% 7-OH crystal (it's usually ~60-90%, remainder is other alkaloids) and managed to get through it in a 3 day non-stop binge with my fiance, but we're also just kind of hardheaded for the most part. After that, haven't touched it in a few months or so.
Most people who struggle with opioid addiction will agree with me that 7-OH is probably on par with oxycodone or hydromorphone in terms of potency, but it lasts maybe 4 hours, and has a habit of getting your average joe wicked hooked. My fiance and I are both fortunate in that we don't really exhibit addictivity towards opioids in any context we've ever used them in. 7-OH Alongside soma is amazing, the fiance and I refer to it as "maxrelax".
Edit: Forgot to mention, taking 1-2g of straight leaf alongside 7-OH adds 2-4 hours of duration, Soma also adds that, so using straight leaf, 7-OH and soma all at the same time I've had periods of intoxication off a single dose of those three in conjunction last 10-12 hours easily.