It's no one business... unless she's scamming and skimming off the horses sales. How does one find out whether that is the case without asking?
And those who do attend NH know that he pays a fraction of what he and his cuz charge people through their 501c3.
Lots of rescues go to sales and save, go and take horses from those who can no longer afford to care for them properly, and take in those who are abused or neglected [ie all the types at risk to sell to slaughter]...
Why people can not go to those sources and 'save' while paying alot less or at least getting a horse they will know is suitable and QT'd and evaluated and rehab'd... or why people quibble when those rescue who do all that before adopting out charge adoption fees only a few hundred over what AC4H/Christy/Brian charges... well that's a head scratcher.