THe left side and right side are a little unbalanced in size and the amount of doodads and such. I guess that's just a matter of the style you're going for though.
I'm going to take a guess and say there is no way that this is legally available. Just search around I guess. Considering how corrosive this stuff is if it burns through metal it might not be the best idea to use it.
I know everyone always says start with simples and I can understand why. But I've never seen any real steps towards developing your style and doing other things. Is it something that will just come in time? Any tips are appreciated.
It's because they're world renown as others have stated but a lot of Japanese people view english letter as much cooler than their own because they're foreign.
It depends if you want to just bomb or if you want to do the more artsy side of things. With 2 colors you lose a lot of options for effects and such.
The money thing is one of the biggest determining factors.
Look all around you in your daily life. You don't realize it but you see so many different letter styles all the time. Also look at different cities specific style of handstyles. Number one rule still stands though, DON'T BITE!