Now a candidate can literally be outspent by independent groups.
Roughly, the law says that the ones who are outspent should receive a modest subsidy from state funds.
There has never been an income that can't be outspent.
It would never be outspent or outmanned in any legal venue.
In these cases, the government is oftentimes being outspent by corporate clients for trial preparation litigation costs.
Word Origin and History for outspent
mid-15c., "to consume totally, use up," from out (adv.) + spend (v.). Meaning "to spend more than another or others" is from 1840. Related: Outspent; outspending. Outspent is attested from 1650s as "exhausted."