first of what to try when your ordering order researchyour model a good bit most people seem to go for the 510 or 901 models pick oneand go with that. at least for now get few different flavors especially try outvegetable glycerin (VG) and (pg) propylene glycol in a few mixes get or get thesame flavor and strength of each and mix them using a syringe shake really wellof course this might be hard if your country has hard laws regarding syringesmine doesnt. get at least a 3 attys. now it depends what you are looking for. Youcan get the cigarette type but I found them useless. id strongly recommend amod and get a 1 usb passtrue
this is just my advice as a newbie
this is just my advice as a newbie