@Himalaya As part of our Terms of Service, Code of Conduct:
Solicit or advertise illegal transactions. Sale of any of our
services for real-world currency is not allowed. Advertising illegal
activities or content is not allowed. Soliciting users for donations,
charities, or crowd-funding campaigns is not allowed. Cross-site trading
is permitted, but not supported. See the section on Virtual Currency
and Trades below.
This also includes:
Three-way trades that involve real-world currency are not allowed. Use
of a third party to negotiate trades between two individuals is allowed,
at your own risk.
Allowed: User C collects trade items from User and A and User B and disperses them.
Not Allowed: User A commissions a plushie for real-world currency from User B. User A then trades this plushie with User C for Moonstones.
To summarise: You are not allowed to trade USD (or any real world currency) for in-game items. Thank you for your understanding and I've gone ahead and locked this thread.