Selling plugs on pornoforest.com
 

Selling few packs of daily plugs.
30 plugs in total.
Site gets 500+ unique visitors every day. (mostly google)

Pack price: 200$

That's 6.66$ / plug.

Plug will stay forever in the site so the traffic will be flowing all the time.

You can visit the site and see how much traffic each plug receives.