You will need a RE broker, property manager, and a lender at least.

A Great broker is all you need.. !!!

It depends on the number of Units, Residential or Commercial, Apartment Complex or mix of Single Family and Multifamily.Under 25 unit - Tenant Cloud, Rentech.Under 100 - Then Doorloop/Buildium.100+ - AppFolio, Yardi, Rent Manager.Apartment Management : Yardi seems to be wildly usedSingle Family ( Mixed ) - AppFolio seems to be popularRent manager has a good customer support team.

Any broker who knows high potential opportunities for seller financing in Minnesota?

I have a great realtor in SA, I am a private money lender/broker, if you want more details reach out, and lets talk.

We originate loans with 100+ lenders and will tell you that you cannot have All of the above :) Just set top 2-3 points of what matters to you most and that can help you in selecting which broker/lender to go with.

Its always best to review your file with an investor friendly mortgage broker like ourselves to see what are your best options in terms of financing your next deal and get a high level understanding on how to enter a property and also exit a property.

There are a ton of CRMs out there but we use Zoho for its ease of customization and integrations.2.)

The easier it is for someone to click on something, the less likely they are to be a serious customer.

For example, in AZ, SRP offers "net metering" as well as super low pricing if you are on the "customer generation plan", therefore if the system is dialed in to eliminate all on-peak usage using battery, the saving is huge comparing to choosing a different SRP plan or choosing a different system set up (such as solar panel only).