And if there is other software that does what yours does, what is being charged for it?
That's not what he asked, though.
I made my first $5 bill for helping my uncle take some stuff to the dump when I was about 8 years old. AND he bought me a coke, BONUS! And let me tell you, $5 was worth a whole lot more back then.
Sign up for one of the millions of free blog/file hosts. Don't bother with a real domain name. Google pages seems nice.