If one really wants to make more money from the wealthy people, then he or she must be able to make the product and services unique and not the regular. Something tangible enough to convince the rich that indeed, this product is worth the cost..not all wealthy people waste money
An example is my former Boss...he was once the EXXONMOBIL MD, worked for many years in oil company...he is overly wealthy but that man, he can never waste, lolz, story about him and his spending is a long one that can make a post... while I worked under him as his admin assistant and secretary, I learned a lot from him.