We manage between 80 and 100 listings it varies winter to summer but the processing of manually Remitting and paying out the property taxes takes much longer than 10 min.

It's such an exciting part of the process!

You can expect that you will be required to build roads, sidewalks, storm water control, utility taps, street lights, street trees as well as recreation fees as part of the development process. 

Am I missing anything significant in this thought process? 

Streamline your communication process to secure quality tenants.Focus on QualityThe condition of your property matters more now than ever.

By repeating this process, you can scale your portfolio while working toward your desired monthly income goals.

If you are not looking to evict now, I'd wait with these types of tenants until closer to the 30 days, you are looking for more confrontations and problems if you tell them you won't renew. if anything,  you can say that if there will be another violation you will start eviction process best of luck 

We went through this process twice with them.

All the information is there if you actively pursue it.I think that many of these coaching programs are designed for those who want someone to walk them through the process.

,While no investment is completely passive, proper real estate investing should be relatively boring.You asked about the process and major considerations.