It'd be best to read and not spam posts for people to see your signature.As always, it depends on the target audience.
create a fiverr Gig .. something like "I will post your message on my Fb Page having 50000+ Likes"
u can see other similar gigs there doing well. u can copy/paste if u want.
Choose a catchy title.
Wait and see ...
Hope it will work for you
start with MyLikes.com make more Pages share more links and you will be making few dollars a day
As always, it depends on the target audience.
mylikes = you will get banned