energy efficient micathermic heater:

$40
kotatsu:

$400
a puffy down jacket from y-3:

$440
realizing that you’ve overcompensated for the cold, but rationalized by reminding yourself that you’re going to be warm all winter anyway:
priceless
there’s some things in life you just can’t rationalize yourself into peace of mind after getting buyer’s remorse; for everything else, there’s always retail therapy.