There is no such thing as Free lunch. Somebody is paying.

But It is no use. Dumb people will always Chase the Free/easy money promises and lose.

Few people check out How the promise work.

Take steemit: some places i see say It is Free easy money.

Its not Free: you spend time resource to earn money
Its not easy: even If you go after bots for big votes, It takes some effort to do It.

Also, If the post os less than 7 days you can take your vote back.