You don't always have to incentivize a tenant with a discount to get the tenant to stay, nor keep rents stagnant, but it is good to be aware of the business impact with respect to cost too.

Trusted by 50+ businesses across [region/industry]."

To survive, you have to know that is a business however, not a job. 

Due to the nature of the shorter lease terms, I am spending an excessive amount of time updating my Excel spreadsheet, MLS, business website, Airbnb, VRBO, and other platforms.

It is not something that you can access immediately, like same day.It usually requires 2 Business days to process loan request.

Most of the time a newer or unsuccessful agents will host open houses as they build their book of business.

. - You have no recourse against an agent or PMC once you pay them for the placement and it turns out to be a terrible tenant:(If you have the time and network and post here for assistance, it's always a good idea to learn the rental business from the "ground up".Of course, one mistake can also cost you thousands of dollars.

.  ;-)  I created an EXTREMELY specific business model and repeated it.  

I'm the sole manager of the business and the properties.

Not sure what your time restrictions are but the fastest way to financial freedom and flexibility in real estate is creating a business out of it.