Stone Foundation Findings - Would it scare you off?

[Collin Wilson]

Hoping someone can give me some advice!  I am running the numbers on a property and I am hoping someone can give me some guidance on the stone foundation findings below: 

It was found that the foundation is out of level which is not unusual for stone foundations with
no actual foundation only base stones as we saw. These are subject to changes and shifts
especially with improper drainage and erosion as we saw some evidence of. The minimum I
would recommend is upgrading the drainage system to help assist in stabilization of the stone
foundation. The foundation shows no signs of immediate distress since the majority of the house
weight is on the front and back wall based on the floor joist orientation running front to back. I
would keep an eye on the right wall that has some movement that has occurred monitor for
additional distress or movement and repair/ rebuild as needed in the future. The framing could
likely have some leveling done off the existing foundation if desired and re laying mortar or
stones under the floor joist once lifted. This is typically done by temporary shoring and
temporary leveling process. It often results in some cosmetic damages that would need repaired
if occurred. There are also two floor joist cover with a foil wrapping that were notched out pretty
excessively that would benefit from sistering them up but I'm not sure about the asbestos
treatment currently there and would have to be address by a company that deals with this prior to
any sistering work on the joists.

Would that scare you off?  The proposal for the drainage upgrade would be about 3k. Advice/recommendations would be greatly appreciated!