This is possibly the most FT thread ever.
DYKWIA
DYKWIE (DYK What I Earn)
DYKWIO (DYK What I Own)
DYKWIK (DYK Who I Know)
DYKHMTISI(Y/J/F) (DYK How Much Time I Spend In Y/J/F* *delete as appropriate)
A lot of people can likely afford J (even if they only do it once), but choose not to. It's far from being the sole preserve of some frequent travelling "elite".