I personally use propwire.com for residential lists but you can get them online from tons of places. 

As mentioned already, there are lots of great property management apps out there that have online rent collection features.

As for PadSplit, it’s definitely an option, but if you’re gonna live there yourself and don't mind a little hands-on management you can save and still cash flow.

They’re not standard where I live, but prospective tenants are thrilled to hen my units have them and don’t mind paying higher rent.

Our tenants don't seem to mind a security deposit (we charge 1/3 a month's rent), and we've already set up our systems to ensure no co-mingling of security deposit funds and rent (or other personal) funds.Still, I'd love to hear any experiences for good or ill that anyone has had with their services.

I typically use regional banks to fund my deals but my 2 go-to banks have either slowed or fully stopped investment loans so recently I've connected with several online brokers but all came from ads or they reached out to me vs personal recommendations and intros so I have concerns. 

Most of what they recommend only makes sense from an operational standpoint if you are a larger investor and have a team to help you manage everything.Also, ensure your REI-savvy tax pro and your REI-savvy attorney link up during the entity structure creation process so things are optimal on all sides.Just something to keep in mind as you're beginning this journey.Answering your question, you'll want a checking account (minimum) per subsidiary entity and for your parent entity.

The MFM group is a machine that churns out many people looking to become MF investors.If you are interested in learning more about commercial RE, not just MF, there are many online virtual meetups as well which can give you a lot more exposure than just your local market for in person events.There are also other, more affordable, options to continue your education rather than paying a large amount for a mentorship program right away.Happy to share these with you if interested.

The fact this type of topic exists is mind blowing.

This is not something you will get online you need an attorney to draft documents and it is just a matter of whether you draft them or their attorney drafts them