This task will hardly take 2-5 minutes.
You need to create a facebook plugin for PHP site through which users can post a comment.
Very easy task, just a copy-paste of the FB code.
8 freelancers estão ofertando em média $3/hora para esse trabalho
Dear client, I have data entry experiences and long time. so i wish you choose me and sign to contract. I wait for you at BDT:+6(9.00am) tomorrow. Please come and contact me Yours Mizan