Problem is only "RE pros" get to do it.There are 3 income classifications in the US - Active, Portfolio, and PassiveActive income is income derived from your job, or normal trade or business.Portfolio income is derived from bank instruments - stocks, bonds, etc.Passive income is income earned from investments.Active losses can wipe out both passive and portfolio income, but it doesn't work the other way around.Portfolio (capital) losses are limited to $3,000 annually.Passive losses can only be offset by passive gains.Real estate rental income by its nature is deemed passive per IRC Sec 469One way to get around it is to become a pro - spend more than 750 hours or 1/2 your time in real estate.But most folks aren't real estate pros.

However, she was highly demanding and I didn’t appreciate her negotiation method by intimidation.

Same issue with a Registered Agent.Either method are fairly inexpensive and very easy to do yourself.  

I was on a Senate Steering committee way back in 85 on how to deal with all the platted antiquated lots in CA. there are millions lots created before the modern rules and these lots exist today but many are not buildable and are traded back and forth from tax sale buyers to retail buyers who dont realize their 5k lot in CA is non buildable.So there was a big conference in FT.

Because those methods are fundamentally flawed.

REITs are publicly traded.

Quote from @Brian Bowen: Is there a good free method or resource to find owner contact information?  

I am passionate about day trading but real estate has been a field that I've been wanting to dive into.

Or would you suggest other methods to gather data and insights before committing to a subscription?

Some services provide numbers that have been involved in litigation, so those are the ones you should definitely remove from your lists.If your lists are hyper-focused, you might manage to get by with fewer removals from the DNC list.There are also non-DNC-related methods available, such as direct mail and digital marketing.