Candy could always teach Karn the ways of surviving in the streets. Just know the three basic rules that Candy used.
1. Look cute and dirty when the rich people pass by and try to make them feel sorry enough to let them sleep in their guest rooms for a couple days.
2. If number one doesn't work, then try other methods in obtaining money and housing, like squatting in abandoned buildings or stealing money.
3. Buy candy
...
That does not sound like a solid financial plan. ._.