Well first Finding what youre good at:
STEP 1:Try everything on PMC like Projects,Texture packs ect.
STEP 2: Think what you like most Writing=Blogs Building = Projects Anything to do with PC/Programming= Modding Drawing/creating art= Texture packs And leading= Servers
STEP 3: PRACTICE
STEP 4: LEARN AS MUCH AS POSSIBLE ABOUT YOURE SUBJECT
STEP 5: Be Creative
STEP 6: HAVE FUN!!!

Now getting xp:

I just told you FIND WHAT YOURE GOOD AT!