We use an Enterprise CRM System, and are very organized with our files. 

Many of my customers who are traveling nurses buy condos or townhomes in Florida as vacation homes, then rent them out when they're not in town.This system has proven to be very lucrative, as it allows them to service the mortgage debt and generate a good cash flow.

With so much out of our control with military orders, we were fortunate.

The rating systems for short-term rentals has lost all validity.

AI replies and posts are annoying but hard to maintain/control those.

And given #3 above, it leaves about 20% of rent for all other expenses like property tax, insurance and other PM expenses like leasing fee, eviction fee and other minor expenses like for e.g landscaping, pest control etc.

If you are going to self manage you will need to build business systems and get a list of reliable vendors.  

If your DTI is good, you can control a $1M asset for $50k. 

So, not really passive.Investing in rReal estate offers a lot more control than investing in stocks, but it also requires an investment of time to do well.

You have more control of your time when working with sellers as opposed to buyers.