Most money I ever made easily, was Ebay. Buy stuff cheap from yard sales, thrift stores etc. Sell it on Ebay for whatever the market will bear. I would also sell items for other people for a good percentage. I specialized in military items, uniforms, boots & gear. Hardest part is the shipping. Other venue is Craigslist. Made easy money there, too.

Converted a lot of income to silver bullion. Banks don't pay shit in interest. For the right exchange rate, I would trade all the silver for gold. I heat the house with wood in the winter. Cool it with swamp cooler in the summer. Small house I paid for in cash. The down side is it is a lot of work. Maintain my 1 acre and all the vehicles means I am busy all the time.