re: Question about the logistics of surveying, clearing, fencing acreage

If you have the corners marked you can do it yourself, put a t post on each found corner, clear a line of sight between that and the next one and run a string

Mulching is expensive, about $150/ hour, and depending on vegetation can be several hours per acre, then you still have the mess of the mulched by product, you said you wanted to till that back into the soil, ???, you will need a hell of a tiller, I would get an estimate from someone with a dozer and track hoe