1)
The girl said that his cure depends on the Navi. Why did he send him to the king?
1.
Malbim: He thought that the Navi would cure him only if the king commanded.
2)
Why did he take all this money and clothing?
1.
Rashi: It was a gift for the Navi.
3)
What are "Sheshes Alafim Zahav"?
1.
Rashi: They are 6,000 gold coins (Radak, citing Targum Yonasan - Dinarim).