By trialing these softwares for a given region before committing to one you can make a direct comparison on data quality.If you are just starting out, then I'd recommend to go free first and extract leads directly from public and/or county websites.

You might look at his website, he also does coaching on targeting the luxury guest. 

Here is the website with all the info: https://www.greensboro-nc.gov/departments/planning/learn-mor...

UPDATE: Website for this company - Indianapolis Property Management | RPM Indy Metro

They will list house on Airbnb and VRBO (maybe they have their own website)   The kicker with this is guests do not get access to the pools

Your local realtor association will likely have data on their website.

Most of this was done by our property manager (Neighborhood Property Management), but they have a good website (Housing Choice Vouchers), including a specific section for interested landlords. 

Plus, with your own website, you can run Google Analytics to analyze and leverage your traffic as well as a blog for SEO.

The first one involves you logging into a bank's website and having to "switch tabs" each time to see all of your different accounts.

I am listed on both Airbnb and VRBO and I'm working on a website through Lodgify.