SG Talk

noticed those DJ in English radio station, seem like richer than those in Mandrain radio station.

Always see those Dj from English radio station show case their home , expensive renovation here and there of course some been " sponsored "

Dennis Chew 
https://youtu.be/38zFkyshkhc

Their one so so
you go take a look few DJ in english stations, ones

Because DJs earn a lot through their side income, like hosting events etc. Mandarin-speaking events are far fewer.