... he sourced and shipped me a number of euro spec thermostats ... I think it was 6 BTC for the parts.
Those have got to be the most expensive thermostats you've ever bought...
Like my TREZOR, which I bought for 0.13 BTC...
Lesson learned: spend fiat first, and BTC only when you absolutely have to.
Fantastic word, "spend fiat first, and BTC only when you absolutely have to.",

almost made a silly mistake last week, until i realize the possitivity of Bitcoin compared to that of fiat, then i use fiat and store up Bitcoin.