'Avoid debt' is an apt title. The points the author makes agree very much with yours, including the clear warning the infomercial gives against compulsive, superfluous spending:

"I do not speak of merchants buying and selling on credit, or of those who buy on credit in order to turn the purchase to a profit. The old Quaker said to his farmer son, "John, never get trusted; but if thee gets trusted for anything, let it be for `manure,' because that will help thee pay it back again.""