Makes no sense to look at ancient days when trying to analyze a modern-day housing crisis. 

Well I am an accountant that started with using Yardi Enterprise (discontinued and it is ancient software).

That's ancient history now. 

Obviously, I’m right and their wrong (LOL).The two books that are an exception, are ancient.

But without such a safeguard in place the ancient rule applies, and the buyer should beware.It is ALWAYS the buyer's responsibility to perform due diligence on ANY & ALL perspective deals or transactions.

The owners usually slam crappy tenants in and then claim the property is stable after 1 year etc. with minimal repairs and the expensive stuff to replace is ancient.

@Roy N.Sometimes insulating ancient brick buildings is very impractical.

And with the exception of the ancient but functional furnace in the main house, I don't see much reason to put off repairs- so I wouldn't lose much to go ahead and do a full rehab all at once, and have a better property from the word go. 

Here is the problem with having a park full of these ancient homes even if they are privately owned.

to which Alexander replied laconically, “We’ll use their ships.”In Asia there was Chinese general, Xiang Yu, who ordered his troops across the river and quietly burned the bridge behind them, a tactic that got the boys so motivated that they beat the mighty Qin at the Battle of Julu in 207BC.Julius Ceasar, the Ancient Roman who wrote long letters home so that everyone would know about his incredibly wonderful victories...So, decide what you want to do.