Earlier quoted context omitted.
This kinda stuff just drives me nuts. No, they're not all trust fund kids. The OP quit her job at Dropbox(!), and it looks like her previous jobs were at Squarespace(!) and MailChimp(!). I can only assume that she is highly skilled and productive and has been well compensated for it for years. Perhaps she saved up? Some people have good jobs and save money. Is that hard to understand?
You know the average American is incapable of saving even 5% of their income, right? That's why this is so unbelievable to some.
Lets distinguish "incapable of saving" from "unwilling to reduce consumption".