So this eliminated most of my RMT /tells. Go back to the Dashboard on Guildwork. Hit Explore at the top, and go to the Guildwork Client, then the Settings tab.

In the Chat Filter Patterns section, put this in:
((\$|USD).(Gil|gil))|((Gil|gil).(\$|USD))
Promotion
PVPG[0oO]
[gG]i1
000[kK]
====
\d+%\s+[bB]onus
\d+%\s*[o0O]ff
[fF]ast [dD]elivery
[dD]elivery in \d+
[Cc]heapest\s*[gG][i1I][lL]
chéapést
[dD]elivery [gG]uaranteed
[bB][aA][nN][kK].[cC][oO][mM]
BANK.COM