Trump's deployment of the National Guard to Washington, DC costs more than 4 times as much as it would cost to simply house every homeless person in the city, according to researcher Hanna Homestead.
The Finns have turned the traditional approach to homelessness on its head.
There can be a number of reasons as to why someone ends up homeless, including sudden job loss or family breakdown, severe substance abuse or mental health problems. But most homelessness policies work on the premise that the homeless person has to sort those problems out first before they can get permanent accommodation.
Finland does the opposite - it gives them a home first.
Sure, if you half ass it but if you’re serious it’s a a soluble issue. For example
https://www.weforum.org/stories/2018/02/how-finland-solved-homelessness/