They will not compare an ADU against a stick built home. 

I agree with Kyle, definitely do some research on specific neighborhoods and compare to what your budget is.

There are many out there now and I have been looking for a tool that would help me compare a few of them side by side based on criteria given by the syndicator and my initial investment amount.

Usually take up a large amount of land so imposes on more homes for comparable sales within the normal mileage/boundaries.

Create a simple spreadsheet or written list to compare the features of each and identify the ones that align with your requirements.

If your property would still be comparable to the market, just wrap part of the cleaning fee into the nightly rate.

Here is a historical chart comparing the two:The reality is that a drop in interest rates virtually never make prices go down, they are inversely related. 

It's a little tough when you only have 1 property (because sometimes the entry-level fee charged seems high compared against 1 property.)  

You can use the cap rates to compare if buying multiple 10 unit properties or two 30 unit properties. 

It is a good policy, not catastrophic coverage, it compares to the policy I had at my old job except prescriptions are a little more expensive.