For a newbie starting out vaping can be really overwhelming.
For someone who knows absolutely nothing about the subject I highly recommend the Halo Triton starter kit.
Triton Tank System Starter Kits | Halo Cigs
It comes with everything you need to get started vaping except for the liquid, and gives you backups of both the battery and tank. Get the 650 mAh battery and a single charge will last most people more than a day. The tank holds 2.5ml of liquid which will last most if not all day. It's small enough to easily carry, provides good vapor and flavor, and is about the easiest ecig system for daily use.
For maintenance, just rinse the tank out and replace the coil every now and then, and that's pretty much it. It uses Kanger T2 coils which cost about $7 for 5 coils and I get between 2 weeks and a month out of a single coil depending on the type of liquid I'm using. The coils are really easy to replace, they stick up out of the tank and simply screw in with your fingers. Just unscrew one, screw in another, and you're done.
I've had mods, I've had eGo systems, I've tried a fairly wide variety of products. I still carry my Triton as my daily use ecig because it's so small, easy, and reliable. Start the morning with a fresh battery and full tank, and that's enough to last until I get home from work when I top the tank off again. It never leaks a drop and never fails to work.