My intent was to put $20MM or so in perspective: yes, prudent investment could put such an amount to good, long-term use, but it is not so much money that it wo

My intent was to put $20MM or so in perspective: yes, prudent investment could put such an amount to good, long-term use, but it is not so much money that it would be challenging to spend it all within a decade or so. $1Bn is something else entirely, and would require a very concerted effort to squander quickly.