Only thing you'll need to pay attention to is fully demising the unit with materials that have the proper fire retardancy.

Answer these two questions correctly and — absent any major shocks — the market picture for 2024 starts to come into focus.Real rates have tightened materially into restrictive territory and will weigh on economies through this year and next.

Pay for the materials and hire the labor yourself if needed/possible? 

His material online is great but that whole sales call was awful and felt like a waste of time.

If there was something material that changed the pricing they might not be able to get it back to where it was originally though.

Otherwise, the training materials such as books, podcasts, webinars, etc. are so floofy and sugar-coated that I most definitely could have accidentally jumped off a cliff!

We need to know the details of what they were installing, the location, the cost of materials, etc.

I also discovered some excellent YouTube channels that discuss test material and sample questions, which I watched regularly.

Concealment does have a material impact on pay back. 

It's the labor details that cost you, NOT the materials.