If they had not found the deal or participated at all, you would not owe them anything since it was off-market and they didn't play a role. 

With strategic updates and market insight, this property became a highly desirable investment, showcasing the power of effective collaboration and value-driven improvements.

Yes, having tenants pay ACH via a Tenant Portal software is best, but not all will cooperate and some will play games that result in NSF charges.We allow tenants to deposit cash/check/money order directly at our bank into our account.Many Class C & D tenants have challenges adapting to unfamiliar ways to pay and is often not worth the hassle (and possible evictions) to get them to change:(

Perhaps you can equity strip and refi to keep equity exposure to $1M, but these are considerations worth having now if you have the purchasing power you’re suggesting.

Unless you bought RE a few years ago, created equity via successful BRRRR, flip, or do a combination you're just playing the appreciation game. 

An MTR play may work well for them.Long story short, it can be logical for a property owner to enter into a deal with an MTR operator.

Some of the features I am looking for (most likely there is not 1 single vendor who has all this built-in, but more of a technology stack that integrates nicely)Would something like propstream, carrot, and kixie be powerful enough to get rolling out the gates and still be efficient in your eyes?

The operator's track record may not align with your goals (you are long term cash flow play, they are sell and redeploy, or vice versa).  

Seasonality always comes into play!

It's legal for passive investors to have voting rights and power in the deal.