* "don't keep the snakes food items near it at all"
This can be true, sometimes keeping food near your snake can stress it out. But usually only if it's in sight but unattainable. If they can smell it, it's okay because in the wild ball pythons usually take refuge in burrows wild rodents made.
* "don't feed the snake until after it defecates from the last meal"
I completely disagree, unless the snake hasn't gone to the bathroom for a month.
* "only feed it one mouse every 3 or 4 weeks"
For ball pythons of every age the time of eating is AROUND one week. Younger ball pythons eat more frequently than older ones.
* "don't give the snake a bigger enclosure because it will grow too fast"
Snake's size like every animal is based on genetics and the amount of food. The reason for a smaller enclosure is more to keep the snake from being stressed, for a big enclosure without a proper amount of hides will most likely make a ball python feel insecure.