Many sites such as Jigsaw, Lead 411, and others charge a monthly fee. Also, LI InMail can be expensive.
Google them using @, to find email address. Example, Michael T. Irvin @
Don't stop taking massive action.
Best of Luck,
Michael T. Irvin
My books are available exclusively through Amazon Books. Check out my book "Copywriting Blackbook of Secrets"
Copywriting, Startups, Internet Entrepreneur, Online Marketing, Making Money