Door dash ad

Legit just saw a add on door dash of a lady saying she bought a house with the door dash money you’ll spend more money on car repairs bills and gas before you buy a house I can barley get over 80$ after dashing for 6 hours with over 600 deliveries and 4.9 star rating and platinum and I hear people making 200-300$ a day from dashing for 3 hours am I just missing something??