Done this. The drywall people or someone put a nail in the longest, most difficult cat wire run. Caught it too late - I lived two States away during construction. Would have had to pull three rooms’ drywall down to find it. Don’t let this happen to you.

Was it a fixed price quote or t&m estimate?

Everyone at my ISP was very helpful, and this episode made me realize how well they handled this.

No. Just 3 12 year old connections

No