Lean Six Sigma certification follows a crawl-walk-run methodology.
Lean Six Sigma certification focuses on implementation in mission critical paths that causes more than 50% of the problems.
Lean Six Sigma certification must be In-Time.
Getting certified alone doesn't mean getting success with Lean Six Sigma.
Implementing and getting success with Lean Six Sigma alone can add glories to the certification that you hold.
Lean Six Sigma Certification online:
(Just given for your reference)
http://www.6sigma.us/lean-online-training.php
Level 1 - Understanding Lean $99
Level 2 - Fundamentals of Lean $249
Level 3 - Lean Methodology & Tools $499
http://www.1stcourses.com/lean-six-sigma-training.html
$995
(Includes one year access to the course, exam, project review, certification, and one license to SigmaXL, a six sigma software bolt-on for Microsoft Excel)
If you are really interested, have a contact class.It serves well rather than taking online training.
