The floor plan and exterior land usage was functionally obsolete but had the potential to rework it and significantly improve the property.

The floor plan and exterior land usage was functionally obsolete.

In talking to him one day, it sounded like the new management was going to render his job obsolete. 

Only 15-20 years later they consider it the best investment they ever made.If you have the itch, just buy a house in a growing area that doesn't have an obsolete floor plan and rent it out. 

We got burned years ago when some software went obsolete and we couldn't access our files.

With the impending roll out of 5G most in building WIFI is going to become obsolete.

Doorbells are obsolete.

For sure, you're buying the lease at first pass, but ultimately after expiration, obsoletion, goes dark, you're buying the building and the dirt.

I think single bath houses have been technologically obsolete for about 40 years in the US.

You may have to pay a contractor (or two) to walk through with you for a bid (some places are like that).If it has knob and tube wiring, or some other obsolete electrical (stab-locs, aluminum wiring, etc...) it would be smart to get an electricians opinion and bid, and make sure you can get reasonably priced insurance with this type of issue.Good Luck!