Hmmm. Well, here are some things which I think any decent modern society should provide for its public, free of charge.

All medical care.
Pure drinking water.
Education from primary school through college.
A modern transportation grid (highways, etc) that is kept in good shape (meaning snow removal and repair).
Police forces and a justice system and good legal aid for poor people.
Shelters for homeless people and job training for same and job offers if and when such training is completed successfully.

Most of our modern societies provide some of the above services for free, but not all of them.

It all costs money, obviously, and we all know that...but whether these things ARE provided or not is not a question of whether it costs money...it's a question of whether people accept that it is something that MUST be done to have a decent society...or not.

If they feel it MUST be done, they are always willing to pay the cost.

In addition to that, running such programs would provide good, paying work for a lot of people and would further generate good returns by reducing crime, improving living standards, and improving the capabilities of many formerly disadvantaged people to contribute usefully to society.

In short, it would pay for itself soon enough.