Hey! That sounds handy! We’re all for clever automation! Though you may not find that exact rule, you may find a very similar rule you can create through our connection with IFTTT that will allow you to manage your balance and pots such as Moving money from a pot if you have a transaction over a certain value.
With IFTTT you can create automated actions with set triggers to help keep your balance up after certain transactions! (Correction)
You can see our community chat on it here too but any questions, feel free to ask! 