Sounds like it's time for you to upgrade to a modern banking platform - specifically, one built for rental property owners. As you pointed out, traditional banks in the US have largely been slow to adopt new technology.
Beyond basic banking features and low fees, it's important to consider what else you'd like to see from your banking partner. A few considerations:
1) Ability to quickly/easily obtain short term funding for renovations or a downpayment on your next rental property. Many banks are really slow or are super strict on their lending criteria forcing you to now work with multiple banks across your portfolio.
2) Ease of use - ability to sync your property management and accounting software so that you can see a wholistic picture of your financial performance across your portfolio. Virtually no traditional bank does this. You'd need to turn to a modern real estate finance platform like Release.
3) Flexibility - ability to open a new bank account at any time of day/or night online without having to walk into a branch. Sounds basic, but most financial institutions won't allow this (we're one of the few that do).
Traditional banks/credit unions have remained largely unchanged. And, real estate investors have increasing demanded better solutions/experiences. I think we'll continue to see modern financial platforms fill this void at an even faster pace in the coming years.
As a rental property owner, what else would you like to see from your banking provider?