unfortunately 99% of people who become rich will spend it on material possessions rather than experiences, and because of this they don't reach the happiness they thought they would. I would spend it on experiences instead. I would go skydiving around the world, do a HALO jump, get my pilots license, go surfing, scuba diving, etc etc etc..
those experienced enough to get 10,000 honestly and fairly obviously know a thing or two about finance. and from personal experience, im living off the 'profits' / interest of lump sums and adding to the lumps. thus not technically spending more then im earning. thus having true financial freedom to not have to worry
those that have never experienced wealth above a certain level will of course spend it on wasteful possessions, that they pretend will enrich their lives