One would have been given A average quote as tradesman would be trying to win the job,
As he knows you could get other quotes.
One would suggest to you to rebuild wall.
Rather than Repair wall.
One can get as many quotes as you like.
You got a quote for Rebuild.
Get a quote to Repair.
You compare Different quote.
You now have a choice.
I myself as a tradesman would go for Repair, if I thought wall could be repaired.