Yes of course. They have tons of traffic and you could make some decent money from posting ads to them. I saw many people earning good with CPA network by posting classified ads

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Yes you can, there have been plenty of courses that teach how to make money using classified ads sites.

The most common way is to do arbitrage i think.
-> You post an ad offering some service
-> You outsource the service somewhere cheap
-> You keep the difference

It's a pretty easy method and it can work if you put in some effort.

You can, indeed, but there are easier ways for a newcomer. If you're considering CL, for instance, you'll find it a difficult platform without a lot of knowledge and investment. If you do go the classifieds route, look to smaller, lesser-known sites. You'll find it easier: less competition.

GRM

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