While i had many great deals, or finding rare games for very good deal or people that dont know what to sell it for.... today i say i had best ebay one of the best buys to this date....
I mange to win a auction for....
PS2 + 3 guitars + Guitar Hero 1-4 + 2 Memory Cards + Controller all for $43 + Shipping.
Which in my mind i think it was really good Bargain Bundle O.o, got everything from backup PS2 System, + Guitars/Games that i always found them to be too expansive and extra memory cards i needed and backup controller all in one bundle.
Another Good Deal i gotten was for collection of 50 Gamecube Games.
It had everything from Zelda games, to all RPGs that came out and really expansive couple titles for $200 that i would had paid otherwise $500+.
Third one that comes to mind.... Steam Online Sales = Saved my Bunch of Money ;p
I forgotten other awesome deals i gotten ;p maybe i edit the post and add more later....