When I first quit my working full time, while pregnant with my son (who is about to turn 21), I did some reading of a very popular series of books called the Cheapskate Gazette. There were lots of tips and ideas for stretching money so a family could survive on one salary and even prosper. Some of the ideas were great. Buying in bulk, freezing meals, couponing, etc. But some of the ideas were off the wall... for my sensibilities anyway. I drew the line at the menstruation cup. Thanks, but no thanks. I stuck to sanitary napkins and tampons.
Likewise, being here in NYC, my first impulse is to do things more thriftily to save money. For