What are the options for changing the home currency

What kind of option do you mean? You may enable the multi currency feature in QBO Essentials and Plus to change your home currency prior to registered any transaction. Once you are enabled it, you are not allowed to disable it.

https://quickbooks.grsm.io/EU

https://quickbooks.grsm.io/Asia-Pacific

As another option, you may explore to open a virtual business account at TW to deal with multi currency transactions and utilize the bank feeds.

https://transferwise.prf.hn/l/75dqNgB