You only need to hit 4 trip a day, but most likely you'll hit more, 4 hours wait time for each trip , 16hours you'll hit 4 trips (4x65x30=7800)
Sleep? most of time already napping in car waiting for ping

The most important, good service (+drive a comfortable car), you will get repeat customer (and these will be offlines jobs )
Setup a small group(3/4 people) of like minded drivers and you can covers each other
Once you build your customer base, you should be hitting > 8k+/month (long hours+ungodly definitely)

None says it is easy job,but if you've no paper qualification/in demand skill set, hard to find another jobs that pays as well

Just imagine you offer a contractor to do some construction work with the same criteria

Mana rumah? cannot tell
Berapa Harga? cannot tell
Berapa hari kerja? cannot tell

You ambil dulu ini, nanti saya bagi tau rumah mana, nanti lepas siap, saya kasi tau berapa bayar