Just to fix and stabilize the foundation with push piers and foam concrete raiser cost estimate was $48K+.

I recommend that cast iron pipe under a concrete slab be replaced and not repaired.

One article states that they are not service dogs and do not qualify under ADA and then another says they fall under the fair housing act and landlords must allow (albeit that is for long term housing and this is not) but I can't seem to find a concrete answer on this.I do not want the dog, especially one that will shed (yes I know they don't shed like a lab) and is a newly acquired puppy at my cabin.  

I think it'll need roof work, basement work (possible mold remediation), driveway needs concrete work, and general upgrades throughout.Looking for a reliable General Contract (GC) who's interested in taking on a fairly big project.After renovating, our plan is to sell.

Most need to be redone and it is a solid concrete construction building. 

President Biden is calling on Congress to enact an innovative, new competitive grant program that awards flexible and attractive funding to jurisdictions that take concrete steps to eliminate such needless barriers to producing affordable housing.See my post on Raleigh zoning changes to relieve 2/3/4-plex shortage regarding one city that anticipates federal funding grants for this purpose. 

Get concrete pricing for both and look and what your new purchase will yield.

Tuckpointing is pricey and one doesn't get to raise the rents, or when replacing awful concrete. 

I mean is over 100 years old, and if is concrete good chances are concrete will be over due for maintenance, if you have any good reason to believe so...

When the company finally located the septic, they discovered it had been covered by a slab of concrete in the house.