Thank you for jumping in and for sharing your process, B-Vox.
Yes, the fluctuations can change the selling price, but you can always edit the price of the item or the exchange rate on the transaction page, like what you're doing. Therefore, a recurring invoice with a fixed amount is not ideal for customers with a different currency.
I understand the need of your business, and for this reason, I encourage you to submit a suggestion to our product development team. This way, they can consider creating an option that would fit your process in future updates. Just click on the Gear icon and choose Feedback.
Please note that Feedback is our method of gathering bug reports or feature requests directly from our clients. The requested features or options may be in the development stage or may not be considered due to certain circumstances.
On the other hand, you can check out some references for QBO by going to the main support page and choosing the QuickBooks Online product.
Let us know if you need anything else. Take care and have a good one!
