I find that it's almost a one stop shop in that I can use it for my business checking and savings accounts, bookkeeping, for rent collection, I can issue virtual credit card, I can create all the financial reports I need to run my real estate business and prepare for tax filing and through their partners I can vet my tenants, develop state-specific leases and more.

This arrange that you will have will likely be a headache(major assumption on my part).First - Do not do business with a friend. 

I like doing business there.

As well, does interior design qualify as a real estate business? 

A business address?

Quote from @Blake McWilliams: Using and running a CRM is what you need to help the business you have in real estate grow.

Agents on teams will get leads, learn the business and leverage the team for their higher income and future business success. 

It's a free country, you can run your business how you see fit:)That doesn't really work for self-managing property owners or what investors want from the PMCs they hire.So, yes we find solid contractors at Home Depots on Saturday mornings.When's the last time you've been at a Home Depot during that time period?

Plus I don't want to be in the electrical selling business, that includes no hookups to recharge electric cars.All I want to do is provide housing and collect the rent.

He and his partner have been in the SoCal business bank world for 40+ years, and entered it at a time when local banking was what businesses did.