I look for density plays that can be executed in an infill setting.

The ones that build out great companies build the skills, then they teach the skills to people to set calls for them, go to appointments for them and they continue to build out their company as a marketing/sales operation that is more fluid to create more revenue. 

It would seem having a set of plans would be very important for many reasons, like emergency plumbing or electrical, etc."

I've never had a single complaint from any of my STR guests regarding not providing streaming services.Also, be sure to set that expectation up front in your listing - let guests know you provide high speed internet and have smart TV's so they need to bring their own log-ins if they want to use any streaming services.

A phone call will answer all the questions or a quick visit is better, set an appt. 

I know that RTR positions themselves as “turnkey” but the reality is that they are more of a hybrid model - they set you up with everything you need and facilitate relationships with lenders, insurance, property managers, and so forth - but they are not the actual service providers.

You will gain experience with each project so don't let set backs discourage you but always try and learn from any mistakes.

The ability to adapt and think creatively will set you apart. 

I was able to use a chunk of that to invest into the next one which set to profit $100k.

Glad you are setting aside money, but if the HVAC is 20 years old, or the septic system has never been pumped, or the roof is 25 years old, etc; you will get hit with a cost before your build up enough set aside.How stable is the other tenant?