The thing is I liked the nautilus mini it was just made out of crappy chinese materials thus having to rebuy new ones all the time. Not to mention juices that lose flavor and throat hit over age instead of improving. The whole cotton and putting new cotton in when wanting to try new flavors etc seems so much of a hassle.
If you want to try something really simple which works just fine, buy a cheap 2200 Spinner II battery (or a couple), their cheap, and the Aspire tanks that are made for the spinners (inexpensive too). I used them for about a month before I bought everything known to mankind....and I still use the Spinner once in a while because it always has good flavor with a substantial amount of vapor.
Or buy a cheap 30 watt iStick and a couple Atlantis tanks, I have zero problems with this setup which I use everyday. The Atlantis vertical coils seem to last really well.
If you get either one of these setups I bet your frustration level will lower substantially.
I have expensive mods, subtanks, drippers, everything you can think of, I find myself using the inexpensive gear more than the other "stuff".