A horizontal line indicating the average over time would be helpful when establishing/adjusting budgets. Even better if the time period can be manipulated with a simple drop down menu or something: “average over x months” where x is a variable that can be easily changed by the user.

When a user exports transactions, allow the user the option to filter “all transactions” or “current filter” (i.e., the filter that they are currently viewing on their device)

Surface a widget with a list of accounts and their values on the home page. 

Consistently have to reauthorize connection to Amex account to update balance almost daily

Add a feature to be able to track a refund, to let you know when / if you have been refunded.

Allow users to opt-in to MFA upon each login, for added security.

Make each budget category progress tracking line different color for easier viewing and use the same colors when making a doughnut budget chart.