Here are the results* from a 200-click solo ad I bought from Tomer Algrably. You can find more reviews in my solo ad directory.
Clicks bought: 200
Clicks received: 202
Optin percentage: 39%
Cost Per Optin: $.71
You can buy a solo ad from Tomer Algrably at his website
*These are the results from my squeeze page and sales funnel. Your results may vary from mine.