Your next step... is to build and get frustrated!
In all honesty though, the only way to learn is to get your hands dirty and get up in there! You'll make TONS of mistakes! Trust me... if you're just starting out, invest in a good amount of wire, because you'll be burning through a lot trying to find 'sweet spots' in your builds. Don't do the dollar/foot thing from most vape shops... go online and get yourself a 50ft spool of whatever gauge you're comfortable with (usually about $5) and then you don't have to try to be stingy with your wire (rookie mistake I made). Give yourself plenty of lead wire after making your
coils to make them easier to mount in your igo-w.
With that said, begin with a simple 3/4 wrap, no microcoils, no frills, just wrap around your silica, mount and try it out. Get comfortable working with the
coils and atty before you try anything crazy. After that, it's off to the races! Hit up youtube and check out build tutorials and try it out. The MOST IMPORTANT THING I will say is this though: please read up on Ohm's law and the general properties of electronic circuits. TRUST ME, it will help in the long run to figure out why you are getting shorts, why going from single->dual coils cut resistance in half, and overall a general background knowledge with what you're working with. Why do I say this? To keep you SAFE!!! Don't cloud chase before you even know what goes into the production of vapor. Get good, reputable batteries if you're gonna go into the sub-ohm realm (the green Sony 30As are my go-to).
Other than that, it's all up to you. Dragon, nano, micro, trico, diamond, duals, quads, (OCTOS?!?)... there's a lot of trial-and-error ahead of you, but don't let any of the pitfalls discourage you! When you make builds that vape beautifully and you have the chance to say "yea, I built that", you're gonna be very happy.