I own one storage facility that is a dump (but it makes really good money) and I want to completely overhaul and modernize it but the prices don't make sense right now.

As has been said, taxes have to be collected somewhere to run a civilized society.

This is exciting because I've been thinking about the same thing but more for eco-friendly, modern dwellings for lower income families.

Chris T.While we are not flippers, we do use a similar approach by purchasing tired properties and forcing appreciation: it is just rehab-n-hold as opposed to rehab-n-sell.When we are carrying out a deep retrofit on a newly acquired property, we will put a sign in the yard advertising another "modern, heathy and energy efficient home in the making"  with an indication of when it will be available for rent.We typically have the units rented before the renovation is complete.

I wouldn't disregard modern heat pumps without real data.One caveat: Installing gas into a home that doesn't have it will significantly drive up your initial cost.  

Changing around floor plans for more modern flow. 

-Matthew 28:1This verse puts Sabbath a day before the resurrection, and that’s how I determined Sabbath is onSaturday.Something has happened in our society today, however, that has led many people away from celebrating Sabbath on Saturday.

One buyer wanted me to rebuild a chimney because it wasn't up to modern spec.  

Here's an example that is contempo, clean, simple, metal with wood (for continuity to the floor), and it mounts in the same way as your existing balustrade:https://www.hubush.com/modern-stair-railing-ideas/...The hanging fixture examples might be a bit ornate for your architecture.

The house is most likely dated, as I presume he has not modernized it in recent years!