It doesn't generate income at all. I expect most clubs lose money. All games are played in the evening where floodlights are being powered,Stewarding,staff etc in front of crowds quite often around 1000 who pay a tenner or less to get in.
This is about a terrible cup competition that no one likes. It's not about clubs in danger or fans of other clubs who seek help.
If you are that concerned then worry more about the bigger clubs who can poach the youngsters from lower league clubs for peanuts. These kids are the lifeline of...