Like Tangman says.
Get 100K saved up and start Daytrading. You'll live just fine. A family friend just buys and sells Nextel and CMS Energy and Compuware exclusively. I think he's playing in the area of 500K though.
Buy, sell, buy, sell, buy, sell. He's retired and living nicely.
BUT, you have to have the egg to start with.
99% of SAH jobs are scams/ or are a waste, be careful whatever you do.
Just like all the guys I've seen come and go locally trying prop setups for frags in the last 5 years. In the end when you put time, investment, electric, and op/maintenance costs into the picture. Most prop guys don't make a dime doing it out of their basement.
You can also look into bonds/currency investments overseas as another investment option. But for it to outweigh daily work, you really need a good chunk to start playing with.
Here's the way to look at work:
If it was supposed to be fun, they wouldn't have to pay you to do it now would they?
tony