Back in 1999-2000, I knew a guy that sold his website about $20m (a few million in cash, the rest in stock of the buying company). Within a month he had spent

Back in 1999-2000, I knew a guy that sold his website about $20m (a few million in cash, the rest in stock of the buying company). Within a month he had spent around $3m on a new home and his wife had a $20k/month shopping habit. It was then things got ugly---the tech market crash, legal problems from the sale of his company and a high maintenance wife. From what I've been able to find, he no longer has the wife, the house, a company or the money. So yeah, I can see waiting a year before any major lifestyle changes.