Nice Thread, thanks for sharing your wisdom with noobs like me

I still have some questions though:
1) What should i look out for ,for NOT Buying (ie: I am not an expert in electronics and where i live the hardware stored are owned by illeterate thieves. (Who will probably ened up giving me all the wrong stuff)
2) Could you post us a list of what each different component does to a pedal.
(EX: Capacitor alters tone right?)
(how would you get a phased/distorted/fuzzy etc.. effect?)
3) Someone mentioned where protective gear . Do i really need any protective gear?