1) Click "Forums" above, select one and click on it, then you'll find a "New post" button.
2) The $$ indication is a fake, an undue calculation of credits back to $$ which WGT does in contradiction to their T&Cs,
WGT Credits or Coins
[...] WGT Credits do not have monetary value and are not redeemable for money at any time.
You wanna go to court (in S.F.?) and make a claim against the swindle?
Furtheron, you once earned these credits but may have spent them already for clubs and balls and such - they are memories of the past, unavailable like the gross income number in your tax declaration.
3) T&C's are linked at the bottom, plus there's a FAQ and a search option at the right.
4) About PM replies: You ask here, you get answers here. No special treatment without extra pay ;)