I would definitely go with a utility cap. 

Our STR/MTR portfolio typically sees around 80% occupancy, and I’ve noticed that the online travel booking sites often push properties with consistently great guest experiences.

The PM change the electric utility to the PM's name.

But once I got the bills, I increased the rent with the tenant's approval and signed an addendum to the lease stating the rent increase would be X and the owner would take over utilities.

hi all i am a new landlord and got my first rental property. tenants moved in in September and October. the first month was fine but when December hit it got extremely cold and the heating is electric. due to poor insulation in the home that we did not know about the heat has to be turned very high up to keep the home warm, however since everything is electric it is causing the electric bill to be $800. the utilities are the tenants responsibility. however because of this one of the tenants has been extremely non compliant with paying rent.

There are two main ways to utilize this exemption.

Where did you take into account the landlord paid utilities?

Would love to hear your applications and utilize them within my business.

It may be easier to include utilities in the rent.

These typically include services like renters insurance, HVAC filter delivery, pest control, and sometimes utility management.