The process continues, though we aren't on Cloud Nine anymore. Concerns about the radon pretty much marred that...and the sellers won't pay for the full mitigation work. We are moving forward, regardless of the recent hurdles. And I will remain true to form and have the basement mitigated with 2 systems including 2 fans to ventilate fresh air inward.
Because that's the kind of Eccentric Paranoid that I am.