How to prove you done it

1. Screenshots showing you liked the post, follow the page .
2. Screenshot showing the post is really shared in your Facebook timeline; you can share it in any facebook account with 300+ followers.
3. Your name on the Facebook page/profile is used to check that you have completed the job.

Any scam will disqualify for completing the job. Particularly same person doing the task multiple times using different information will not be accepted