Mortgages need income, not necessarily jobs.If the income is sufficient (inclusive of pension, social security, rental, etc), it'll be doable. 

What quantity of units are you looking at?

How self-sufficient is that process with a good manager (assuming she/he sticks around and works out well)? 

On this loan type with 3-4 units you will need to pass a self-sufficiency test which is just a test to verify that the rent from the home pays for your PITI (Principal, Interest, Taxes and Insurance).Another option if you are interested in fixing the home prior to renting it is the BRRRR method.

Standard agencies will not approve loans for self-employed borrowers who don't have tax returns showing sufficient income.

If I were to purchase my grandparents house from my grandmother’s estate do I need a realtor to write up a contract, or would a intent to purchase agreement be sufficient?

Will this be sufficient document for our obligation of hiring non US contractors?

One problem is; some people can breathe asbestos into their lungs every day in large quantities and they never had an adverse effect and some people only need to breath in a small amount of asbestos and they do have a serious adverse effect.You don't have the moral right to tell someone there is no asbestos in a hope without testing and the problem with this world goes back to the previous paragraph where homeowners and contractors tell their workers testing is not necessary, tell them their is no asbestos without testing and tell their workers not to worry.Here is a link about homes built in the early 1900's and an image from the link.https://www.greenbuildingadvis...Two if the images below are from business website I have since I am a licensed asbestos abatement contractor.I took the picture of the pictures with the two gravity furnaces in a home built in Beverly Hills that was built around 1908 and that was not the first year those furnaces were manufactured and installed.

Is this sufficient to prevent landlords from being sued in the event of a gas explosion?  

Ultimately we in the real estate market are benefited by people not losing their homes in mass quantities.