But Cleveland had all their data destroyed in a cyber attack. 

I've been using PropStream to pull comps, but lately, I’ve noticed the data feels a bit outdated.

Leading the charge was the European Union's General Data Protection Regulation (GDPR), which came into effect in May 2018.

The amount and type of data they collect for "free" use is concerning. https://innago.com/privacy-policy/

Exploring economic trends is essential for developing a successful real estate market strategy, particularly if you're focused on rentals.

@Kenneth P Ford they are a national franchise with great marketing.They also have some national support for their individual franchises, but it all depends on the local team.Recommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

Are there any recommendations from anyone who have found certain news sites or data sources to extract data from that has helped them understand the current market landscape in their target area?

I'm exploring different options for building on vacant land here in CA and am very intrigued by pre-fab home designs (Walls etc.. are assembled in a factory and shipped to site).

Then I get STR data from AirDNA to ensure it's well above 1.5x LTR data.

We’ll also explore other approaches.