The video that Gandymarsh posted is a very good crash course into vaping. There is a wide variety of vaping gear out there, and different people are on different levels of their vaping journey. The best thing you can do, is try one.
I highly suggest getting a somewhat beginner item. Getting a huge cloud chasing device may discourage you, since there's a lot involved and a learning curve you have to reach first.
for the battery part, I do recommend getting a box mod of some sort, since it can grow with you a lot longer than an ego battery can. if you have one that takes an 18650 battery, that is a big plus. Most of these have built in charging ports which is a plus when it comes to starting. Although I don't always recommend using an onboard charger on the device, I'd rather you start with one of these and charge from a USB port over buying an EGO or built in battery device.
I always recommend an atomizer called the Nautilus, since it has a very restrictive airflow. It more mimicks a traditional cigarette. If you bought a decent single battery box mod, you can always get a sub-ohm tank as well, so you can try that out.
If I were to recommend some setups, I would recommend a single battery box mod, like the
VTC mini or the
Kanger subbox mini . if it comes with an atomizer, I would keep that atomizer for your heavy uses, but get a
Nautilus tank for the majority of your uses. Although you could use the device to charge the battery, I still recommend getting a
Nitecore or
Efest charger with a couple of good
LG, or
Samsung batteries.
If you're on a budget, the
AIO is a complete unit, but you get what you get.. no upgrading possible. However, it's much cheaper than getting a full setup. It is a truely simple device.
As far as juices go, I'm not going to recommend any... that is a highly personalized subject. I smoked for 20 years, and I managed to quit using Hangsen's RY4. I started off at 18mg/ml to help me quit smoking, then I tapered off. I have plateaued at 6mg/ml, and I don't see changing that anytime in the future.
I hope this helps some.
