That money goes to repairing potholes and patching the street for the 9 other residents deliveries, guests, landscapers, heavy trucks.  

., hanging something) then just leave the plaster, do your thing, patch it and move on.If you have to disturb larger sections you run the definite risk of breaking the "keys" that hold the plaster tight to the lath, so you might find that sections start to fall down which can create a cascading/domino like effect.There are probably ways to carefully cut out sections that can reduce the chance of that happening, but like I said, the general rule is that if you're disturbing large sections you might just have to replace the whole area with drywall to be done with it.I don't have specific tips on the gas and oil changes re: RI's commitment to reduce/eliminate them.

My question is should I patch repair or plan to replace all of it?

I would vent the attic (which should have been done already), scrape and peel all paint off, patch the issues and use a thick peeling paint primer like Zinsser. 

All walls patched up. 

All walls patched up.

The location is off the beaten patch, dirt roads, in a paved sub-division surrounding a lake.

Most electricians can do it without many holes, and the ones they do make can be patched.

I've been investing with Patch of Land for years.

I guess the other stuff you mentioned (e.g. length of trench, materials, grass patching etc.) would require a site survey, which only the owner can request for.