Teaching English not only brings in a few bucks, but gives the man a reason that isn't "I'm a schlub that can't attract his own countrywomen".
If you could become a content creator with a channel/blog/forum, you might be able to scratch some cash out of it. You could look into virtual microjob sites like Fiverr. You could work winters on an Alaskan fishing boat.
If you're an American, with the dearth of employees, you might be able to work a month or two and make enough to pay for your travel; you could sleep in your car while working (you could put your car in "out of service" status and not have to pay for liability insurance).