I've tried exporting a pdf rental analysis to present to a potential partner, but there seems to be a glitch. Is this a fairly common occurrence?

It helps handle all the "back of the envelope" calculations a head of time for all listings within 50 miles of your city.

Other than cap rate and cash flow, what other metrics/calculations do investors use to determine whether or not a property would make a good rental?

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

No cut and dry calculation for it. 

Here's my #1 dissatisfier in dealing with agents: Most have NO idea how to evaluate investment properties.I HATE when agents bring me a so-called "deal" without having first determined whether it actually makes sense financially.Then, when I do run the numbers and calculate a cash flow of $50/mo and a cash-on-cash return of 3%, I feel violated, like my time has been totally wasted.And, that's the last "deal" I'll ever consider from that agent!

The ARV % serves as a secondary calculation (i.e. constraint) on the maximum loan amount for a rehab project.

Use the STR calculator here on BP to see if it a lucrative market or over saturated and too competitive to make it without using a bigger platform to host it. 

That's how we calculate our bottom price. 

For example, divorce buyout calculators can help you estimate how to fairly split equity.