Now, I don't know to what lengths a seller is required to diagnose a problem if the buyer doesn't request more info prior to the sale.

Get more diagnoses (2nd opinions) and quotes ASAP. 

My in laws were selling their house about 2 years ago for about 250k but took it off the market due to my wife's step dad being diagnosed with Amyloidosis.

If they don't understand personal financial and have a plan for the future move on.After 23 year's in the military I went from private to sergeant major but was diagnosed with cancer.

Will the manager send an electrician who charges &125-$150 just to diagnose or will the manager send in a handyman who will charge $20 per hour and can help complete basic troubleshooting?

I in the process of removing a wall just had a cad designer do some plans and now the engineer is wants tons of additional specs Look for another engineer, just like doctors, get a second opinion when diagnosing bearing walls. usually you need an upgrade of the columns and beams

Originally posted by @John Underwood:I would keep this property as you can't reinvest the money into another RE property right now.See if you can get an expert to identify the smell.Since you are doing preventative maintenance on your older appliances you may get many more years of life out of them.Dumb question here John, but what kind of company would I look for to come assess a smell and diagnose it for me? 

It’s 75$ for them to diagnose the machines.

It seems as long as I take my medication the chances of me dying from my bad genes is reduced drastically, but I wonder will I work another 5 years hustling to get more and more money than I need and then be diagnosed with cancer and given 1 month to live?

The doctors diagnosed me with SCAS (sudden cardiac arrest syndrome) which can afflict people as young as 4 years old and strike at anytime.