You can do it as many times you want, but with different IP, if you want to do it with the same IP, PM me for other URL.
Really? I will earn 20 cents every time i download this? What is file size? I am just curious, you said we can download it as many times we want, does it mean we can download it 1000 times/day and earn 200$? 
Sounds too good to be truth.Can you give us more information about this file?