There is no secret to this program, however there are several tips, the most important is the learn the interface of the program, be able to navigate it easily.
I'm assuming that you meant Money and there are many ways to profit from a program like this, if you have created content that a lot of people like then you can create your own website and sell out...
No, although Autodesk Maya is included with the entertainment creation suite, it is not necessary when running other autodesk programs. However if you plan to animate you object I suggest that you...