What is a good system to create around standardizing rent increases where applicable / best way to communicate it to the tenants? 

Your personal history with GSE's is notified across all GSE loans, they communicate.

To maximize the number of transactions you’re involved in you will need to:Be Top of Mind when they think about moving - which requires consistent reminders.Be seen as an Expert – which requires a consistent message and Evidence of Success storiesGain their Trust – which requires communicating integritySo, start out by listing everyone you know in an Excel spreadsheet.

Is communication prompt and reliable, K1 delivered on-time?

As for property management software, options like Hostaway or Lodgify can streamline bookings and communication.

If your friend is more of a Youtuber, turn him on to Erin Spradlin's MTR channel.

Realtor referred to the GC who was terrible at bookkeeping and communication.

Keep an eye on those delinquency rates and ensure that the property manager is proactive in rent collection.Maintaining open lines of communication with property managers is also part of the process.

I've communicated with other agents in Nevada that provided me data with median rents, cap rates, how much I would need to put down to get it to "cash flow/break even" with higher interest rates, etc.

Be responsive, communicative, deliver on what you say you are going to deliver (e.g. photos are true representation of your properties, amenities reflect what you actually have).