Increased competition leads to pirate raids by military fishing boats and large civilian craft, sources say.
They are taking advantage of a growing demand for private home purchases, though the transactions are forbidden.
Players and coaches can earn much more than ordinary laborers sent abroad to work, sources say.
Resentment of Kim's rule prompts insults spoken widely in private, sources say.
Pyongyang pushes the people to collect the aluminum foil wrappers from cigarette packs as it seeks reflective camouflage.
Pyongyang makes vendors pay more, but gives them a day off to spend pursuing their ideological education.
The trips are officially a thank you for help with the floods, but many see the largesse as a propaganda tool.