@Jaycee Greene I want to house hack for my first property whether that be SF or Multi Family, there is not too many options where I am for multi family though unfortunately. 

The books mentioned above are a great place to start!

I've found that FF guests are bargain hunters. 

Quote from @Adam Rivera:I would really use realtors that do high volume of deals in this area you are looking and also property managers.

Are they "roughing it" and bringing sleeping bags?

Before you take any action be sure to think carefully about what your goals are in the short, medium and long term.

You state that everything is equal but are concerned that not everything is equal...It's very possible to see a price spread like that even with comparable coverage but it's also vitally important you work with someone that has your back to make sure you understand your coverage before you'd have to use it.  

Great tools that get updated regularly.I am on the lending side of things and would be happy to hop on a call with you anytime to discuss financial strategies and help answer any questions you may have about nearly any loan product available to help you on your journey, even if they are not products my capital partners offer.We are all here to help you learn and grow.

Different platforms use varying data sources, algorithms, and criteria for comps, so discrepancies are common.

Unless you come from a corporate job that is involved in this field, it is not a place I recommend to start.