There is a new-ish school of economic thought called Modern Monetary Theory (MMT). It theorizes -- with math!-- that deficits won't cause inflation as long as there is room in the economy to grow. Which, for the US, is around $14 trillion worth of room, iirc. So we could give everybody many free things: college, childcare, college, healthcare, and on and on, without a negative economic impact.
Of course, this runs contrary to established learning, and certainly runs headlong into the bias against letting poor people off the mat that we cherish so much here in the US, so top economists wo