@Samson OniI would ask for a credit for the amount it would cost you to fix.

There is also room to add on and make it a triplex, I need to get quotes for the cost. 

However, I'm a bit confused about the process, specifically:Who is responsible for paying the closing costs, and how do you bring it up?

Reliable and Cost-Effective Drain Services in Cleveland, Ohio As landlords operating in Cleveland, Ohio, we have often faced challenges finding a cost-effective and consistent drain service provider.

Looking for something that helps factor in all variables, fixed costs, interest paid on hard money loans, reno costs, etc etc. 

Though you have to look at the legal cost.

Make sure you are asking about all the terms - the maturity date, the adjustment period, the costs, etc.  

For us in California the main metric is not "low cost".

I've done my fair share of research into good 'rules of thumb', but not any that consider the cost of land in the area.

This AC costs $17000 in 2020 and assume will no problem for a long time but most expensive one and shortest time died.