5000 a week is definitely possible.
Now the hard part is judging a few of the opportunities out there that are not 20 page books on how to create and market your own 20 page book
My side business is actually doing research in these "opportunities" and gathering people that want to know more about home based businesses that actually work. PM me and I will forward you a few of the places I've done research into and give you the good, the bad, and the ugly.
After all of that research, so far, there is no such thing as a "magical" and "easy" home based business that will net you $5000/week in record time, but there are such things as home based businesses that can get you there with the normal blood sweat and tears that all other successes come from. It's just that some of them require much less blood than others