RetireJapan

Thank you @Adamu! That now makes sense. Looking back at older transactions, the exchange rates and currencies work out right. The extra margin is there when you put in the transaction, and perhaps until the deal goes through? I can now stop kicking myself!! Thanks for recommending IBKR @Kanto. How d...

There seems to be a conversion charge around 5.5% on top of the rate whichever way you get from Yen to USD: You can buy US stocks and choose to pay in yen (which will convert at current rate plus around 5 or 6%) Or convert beforehand using the 外国為替取引 in the 外国株式 menu then buy in US dollars. Or (Ben'...

I think you're right, but you may be better looking at it from a design perspective. How many panels can fit on your roof, or roofs if you have a car port as well? The panels will produce optimum power if they are due south and between 30 and 35 degrees to the horizontal. Within 15 degrees doesn't m...