> Why shouldn’t they use stable technology they are proficient with?
This perspective is one of the major indicators of an engineer with more experience managing real projects. Making a technology choice or transition is a milestone/roadmap affecting decision. To do so for preference over deliverability has killed many a project.
All of this - and maintenance. The house that may be "inexpensive" re: sale price may cost just as much to fix. The cost of fixing X sq ft of thing or replacing appliance Y may certainly increase with the size of the home, but even small homes can have major expenses (and if you are in a "cheaper" area this means more home for less, so more to fix).
Lack of regulation in places without rigid building code enforcement can also make it hard to find people who aren't hacks (if you can find people at all) in construction.
Was not stated.
> Why shouldn’t they use stable technology they are proficient with?
This perspective is one of the major indicators of an engineer with more experience managing real projects. Making a technology choice or transition is a milestone/roadmap affecting decision. To do so for preference over deliverability has killed many a project.