Premium SMS

Hi guys it's my first post here ever ! i was always wondering when i was a kid how these "you won a car sms" scam sms make money for their senders until i find out that there is what's called premium sms or rated sms services . so my question is how do i start in this and what are the fees and which are the best companies to work with ?

interested.
and i hope u give me some deep info about it too

You are looking to setup an sms marketing campaign?