I am sure AirDNA has more info for their paid subscription, but this will give you some kind of idea.

I also expect that they make their money on the subscription side of things as well as a kickback from the developer, both I'm fine with as long as what's being sold is solid and has the upside he's claiming..

Cancel your cable and online subscriptions and get rid of your TV2.

This may mean cutting back on current luxuries, like subscriptions, coffees, and similar common leisure. remember, it is temporary... or it can be permanent, up to you.

I'm willing to even pay for a subscription but AirDNA is pretty pricey. 

The QuickBooks Online Plus subscription could be a great option for you.

What are the main advantages of paid subscriptions like Propstream and Batchleads over free ones like Propwire.

As a general rule, each entity that files a separate tax return (partnership, s-corp, c-corp, etc) will need its own QBO subscription.

Make money... use that money to get into a subscription-based online business.

ie: pricing software, listing platforms other than Vrbo and Airbnb, digital guestbooks, integration software, direct booking sites, camera subscriptions, other subscriptions etc.Then what percentage of all this software is it of your net profits?