Does it make any difference if you snort it or smoke it?
smoking H gives you the strongest effects next to I.V. but the main effects from smoked H only last about 30 minutes (to me, anyway). snorting is the second most frugal way to ingest junk after I.V., IMO. you have to do it right, though. especially with tar. only way to snort tar, really, is to use the tiniest amount of water possible to dissolve the dose in and mix it with preferably a nearly inactive/completely inactive powder. i mix mine with my klonopin scrip. NOT RECOMMENDED. do not mix benzos with opiates. it's okay for me because i have a rather large tolerance to both). you should end up with a gooey paste. snort this mess but do NOT snuff it back like cocaine. you have to let it sit in your nose. i have great success getting high as long as i do it properly. chances are, someone will waste a bag or two when snorting tar until they figure out the best method for themselves.
as for smoking....it's nice. if i have a large stash i enjoy taking hits every 30-45 minutes and i'll be nodding in no time (having trouble typing this right now, actually). if you aren't keen to watching your money burn up rather quickly, smoking it is out of the question. if you don't mind a short buzz, smoking is great. use a pipe kind of like the type one would normally smoke meth with. DO NOT BASE OFF FOIL unless you don't care how bad it is for you. read up on it, though, before making a decision to "chase the dragon" off foil...smoking is probably the safest way to use heroin (if there is such thing as a safe way of using heroin) because chances are, you will get on such a hard nod, you won't even be able to smoke anymore as you will be fading in and out of consciousness.
heroin insuffulation has caused me a lot of problems. even when i just get a small and divide it in to two doses (for instance, one dose in the evening and one in the morning), i have ended up with a sinus infection. plenty of times.
anyway, dangers of O.D. seem to go like this:
I.V. use is the easiest way to O.D.
insuffulation is the second most likely way to O.D. ....i prefer insuffulation these days because i have been off the needle for years and if done right, you will be cruising. just do not let ANY of the dope go down your throat. total waste.
smoking seems to have an extremely small chance of O.D. but the stuff has a lot of shit in it that you probably do not want to be burning and putting in your lungs.
be careful