AMAZON MONEY MAGIC

+1 permanent point for every four-leaf clover
(+2 permanent points for every five-leaf clover
+3 special points for every six-leaf clover)
+1 temporary points every time you eat a whole tomato
+2 permanent points if you have your own living space

-1 temporary point every time you think negative thoughts

+1 for up to 5 consecutive days of eating good food.


Overall:

6 points = sell 1 book.
12 points =  sell 10 books.
18 points = sell 100 books.
24 points = sell 1000 books.
32 points = sell 10,000 books.
44 points = sell 100,000 books.
58 points = sell 500,000 books.
70 points = sell 2,000,000 books.
140 points = sell 5,000,000 books.
280 points = sell 100,000,000 books.

Repeatedly.

But, remember, J.K. Rowling has a magic ring, according to one interview (I think).

Guide to Luck and Fortune