500 000 thai baht to usd

I recently watched an expat in Bangkok try to move their savings back home by simply walking into a local branch and asking for a wire transfer. They wanted to convert 500 000 thai baht to usd and send it to their Chase account in the States. By the time the "convenience" of the bank's internal exchange rate and the hidden "correspondent bank fees" finished chewing through the capital, they'd lost nearly $640 compared