Cleaners and handyman are critical.  

Frankly, I don't focus on cap rate.In single family, the cap rate is an irrelevant metric because it has no bearing on value, so I focus on cash-on-cash return.In apartments cap rate is not my critical metric, but it helps identify which properties might be more interesting. 

I don't think you will every find a calendar software that gives you the ability to search for records like MS Access and sometimes finding an old record is super critical, or just being able cross-reference data can be critical.This software can be customized within minutes and I would take out 50% or more of the buttons on the data entry screen to keep it simple.

I also, have constructed several check lists that becomes a schedule based on the critical path method. 

ValuePenguin is a good source for the relative cost of insurance by state.I want to stress again that it is CRITICAL that you choose a location where pre-COVID appreciation is greater than the current inflation rate.

Mauritius is truly paradise and he should be trying to capitalize on his location.He has no RE experience so guidance is critical.

Do NOT take this as a criticism of what you've done so far, but...You should NEVER, EVER, ask that question again... nor should you be asking it now. 

You haven't given the most critical piece of info; without knowing what rent control laws are in the location of the property, no one can give good advice.

Having boots on the ground expertise is some of the most critical information needed when making an investment decision. 

As we move into the winter, heating is critical.