I was always told - if you wanna be a dj ....just call yourself one!!!

Only prob comes when you have to prove it.
Persoanlly wouldnt bother with vinyl these days due to it hardly being used and cd or mp3 mixing is so much better with so many more options.
When starting out, dont just get the all singing all dancing kit as half the stuff on there you wouldnt wanna do to start with. Learn to beatmix 1st then you can start adding effects such as phasing,stuttering,looping etc.Also your find its alot cheaper to cd or mp3 mix to start with (if you know what i mean