You mean a scam or a business? A lot of people sell something they are familiar with or have a lot of like car parts or something like that.

Google image search the currency and denomination you want. Then print it.

>>16952941
I'm also interested in this. If I could just make a little money on the side that would be great.

>>16952941
Draw furry porn.

>>16952941
Sell stuff you don't want to people who want it.

Do international app developing.

Learn at least 10 programming languages to get paid at all.

Or do Google app surveys.

>>16952941
Also interested in this. I've been looking at PTC sites, and they don't look that bad. Is it possible with very little investment (say, 10 dollars) have have positive results within months or so?

Find a job that lets you work remotely, like customer support for a website or online tutoring.