it really depends on what sport and how good they are...
Depends on the country and the sport. Sports is to general of a term.
sport center is a tv channel!
a sport very much like baseball
organized, competitive sports
You don't want a sport drink that has too much sugar because you'll get thirsty quick in minutes. The sport drinks that is good for dehydration would be the -ade products like; Gatorade and Powerade.
The amount of energy that is used when playing sports depends on which sport and how long you are doing the activity.
It depends what sport and how good they are. For example someone like Kobe Bryant would get paid more than someone who is a no name and is a backup.
it does not require as much equipment(and is therefore cheaper) and can be played with less players than other popular sports such as baseball and football.
Depends on sport, player and country.
it depends on how much they like that sport
There's no saying. It is different for everyone and it much depends on your nationality and on the sport or sports you are fanatic about.