Do a bank card in the bank (if you have one, you don't have to do it), that is, debit cards, banks that build, gather, work, recruit and pay, and directly open online banking after finishing it. Go home, log in to the bank where your bank card is opened online, open a fund account, and whoever you want can open it, so that your card can buy and sell the fund you want at will in any place on the earth with Internet access. Banks and fund companies won't charge any more because of where you operate online. All the same.

What about this fund?

The above has already answered you, you just need to bring your bank card (you can also write down the card number and password of the bank card in your head or take notes, without a card), and all the problems are solved.

Can you turn around? Will it have an impact?

Can't turn. It has no effect at all.