John: You can use our calculator here:
https://porch.com/project-cost/cost-to-dig-a-post-hole and it's about $100 each. Now that would not include detaching the fence, demo of the existing post and concrete footing, or installing a new footing and post. I would estimate maybe $300-$500 for the job. Best would be to call local fence companies for an estimate. To locate a local landscaper or fencing contractor (or handyperson) you can call us at 855-494-5972. Thank you. ...
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