Your cost book is not somebody else's training data.
I am a licensed general contractor. I built this for my own company first. When I say the bid book stays in the building, it is because mine does.
Where it pays first
Preconstruction. Estimating and bid management. Quote and estimate drafting off your own price book, proposal and SOW generation, and a searchable document base across your old jobs.
The rest of it
Job status updates to customers, invoicing and chasing, and a weekly number sent to your phone.