Two disciplines, one allegiance. Everything below is performed on the owner's side, and only the owner's side.
HHC engages on a retainer basis that secures availability and priority, with time billed hourly against it. The retainer reserves the principal's capacity for your project; work performed is applied against it. Engagement details on inquiry.
Scope is set to the project. A whole-house renovation and a single-trade problem are not the same engagement, and are not treated as if they were.
Retainer secures availability and priority. Time billed hourly against it, in detailed statements. Contractor vetting scoped per trade. Details provided on inquiry.