A wall removal needs a stamped engineering letter, not a knowledgeable opinion. Five checks that tell one from the other, and why the American system puts the burden where it does.
Most design agreements name a deliverable and a fee. The German phase system shows what an American scope usually leaves open, and how to close it in a page.
Mold and air quality assessments get quoted by the hour and by the job, and the two prices answer different questions. Here is how the difference shows up on your invoice.
A first-timer's guide to hiring an indoor air or mold consultant, and the specific things a good assessment does that a barely adequate one only appears to do.
A fulfillment rate card holds steady until October, when storage tiers, surcharges and special projects appear. The paperwork that keeps the invoice legible week to week.