Its legit depending on the company your going through.Do your research first though before you send someones that kind of money,some people are real some people are scamming.The only issue automation companies are having is that some accounts are getting suspended for the invoice issue amazon shoving down peoples throats.And they dont know how to solve it.If you choose to use one ,ask them about the invoice suspension.I know this because all the automation gurus use my site when they are in a pinch.
A lot of these VA's are based in the philippines, there are websites where you can search up a VA which suits your needs. A google search will pull up a few of them.