They saw my 10% and charged me double

Angry u say?
U know people!
Now that we have that established, let me tell you about my troubles.
It's this guy I mentioned above.
Posts 24/7
Like a mad man.
And not ONCE did he make me laugh. Not even grin.
Isn't that sad? Like a stuck between troll and trader.
Very irritating.
Any advice?