Don't buy from a hosting provider who is actively advertising "we setup your retro"
Cold light of day facts
Retros are illegal, copyright material and any legit company will not be participating in such activity
Best option is rent a server, attempt the setup from the tuts on here, if you...
I will put the offer here, if any of the devs in the commuinity need a server to setup a mirror or any type of API server for example for comminity use let me know, Im sure I can spare the space