There's an interesting YC co addressing the interest rate difference between banking + investment accounts. They basically add checking account functionality on

There's an interesting YC co addressing the interest rate difference between banking + investment accounts. They basically add checking account functionality on top of auto-investing: https://nexushq.com https://nexushq.com I have no financial interests in them, but I'm a happy customer. I like using it to make float on cash in between tax payments and other obligations.