Its probably in the hundreds of thousands range according to newer studies. Think practically about whether you can do different things with 10mil than 100mil and whether those things are likely to make you happy.
If money makes you happy why do so many celebs die of drug overdoses? By your logic they should be constantly dancing in the streets. Instead we have morons like Trump.
If you can't infer from those peoples' behaviour money doesn't make you happy, I think you've got a long learning curve ahead of you.
What're suicide and OD rates like for non-famous trust fund kids? How often does a Rockefeller error none of us have ever heard of OD? (Maybe it's very high, I don't know)
Safety, improved-probability-of-continued-comfort, options, and freedom-of-action do great things for most people's happiness, and those are what money is.
