Joe Nemechek
You don't get paid to race unless you are sponsored. The sponsors pay to put ads on the car. The driver only gets money if he wins the race.
Many times it depends on the who the individual driver is sponsored by. An example of a major supplier would be Profox Premium Race Gear, which have a line of fire resistant race gear.
Dale Earnheart Sr.
Heikki Kovalainen is famous for being a Formula 1 race car driver from Finland. His last race was in 2012 at the Caterham F1 and he is now a reserve driver.
I believe it is Jeff Gordon with the DuPont sponsor.
Darrell Waltrip
TOCA Race Driver happened in 2002.
No a driver can not be changed in the middle of a race.
yes
TOCA Race Driver was created in 2002-08.
NASCAR driver Elliott Sadler is now a full-time Nationwide Series driver. His last Cup Series race was in 2012.
NASCAR driver Reed Sorenson is now a full-time driver in the Nationwide Series. His last Cup Series race was in 2012.