That's exactly why I'm studying for my license.

It's a great place to invest in rental property (unless you refer to the BP headline study on best/worst cities to invest in).If you are looking to get owner occupied, 30 year financing then 4-units is as high as you can go.  

I  also ordered and studied the Carleton Sheets plan in 2000.  

I have been in deep study on podcasts/bp forums the last few months and am starting to see the huge opportunity to supplement my income.  

I'm a member of Community Association Institute and I will be studying for the PCAM next year.

I linked up with study groups and people who were practicing REI in my local market.

I am studying Finance with an emphasis in real estate.  

I've been studying Hard these past few months.

They're likely just taking an average of all the other rentals in the area and then presumptiously putting that on yours, but you need to take into account the biggest factors that effect why people want to book a vacation rental, and from a lot of independent studies it ranked in order.1 Location2 Space3 Amenities Provided4 priceSo while joe schmoe down the road may be listing his him at $90 he has a worse location, smaller space and poor amenities, airbnb wont know that.

Read, study, listen, and most importantly Action!