1. This would go in the Help section
2. You can search the forums for previous threads like this. This topic had been mentioned a couple of times
3. Not sure if the method of bringing up the enhancement rune box via a command through a console still works, but that's how I remember how hackers made +15s. Even if it did work, you would have to find out the command yourself and there's no public console atm.
4. There's currently no public hacks available except Maddoggy's standalone trans bot... which is not used for making money.