SpaceX soon-to-be millionaires are set to spend big on luxury homes, watches and private jet travel

Close up of coastline near Palos Verdes Post_insignem | Istock | Getty Images A version of this article first appeared in CNBC's Inside Wealth newsletter with Robert Frank, a weekly guide to the high-net-worth investor and consumer. Sign up to receive future editions, straight to your inbox. The SpaceX IPO is expected to mint thousands of new millionaires and multiple new billionaires. …