This is particularly true in California.I recommend finding a good attorney with a LOT of experience helping landlords with evictions. 

This group (I will call it tier 1) have received letters from my attorney and communications have begun.

Just read through some of these articles and you'll get the idea.https://www.indystar.com/story/news/investigations/2020/05/06/clayton-morris-bert-whalen-accused-by-indiana-attorney-general-deceptive-home-sales/5175543002/https://www.forbes.com/sites/forbesfinancecouncil/2020/01/31/who-can-you-trust-in-the-real-estate-investing-business/#720fb12c356fhttps://www.nytimes.com/2019/0...https://www.nytimes.com/2019/0...https://www.indystar.com/story...https://www.indystar.com/story...https://www.indystar.com/story...https://www.indystar.com/story...https://www.indystar.com/story...https://www.newsweek.com/clayt...https://www.usatoday.com/story...https://thehill.com/homenews/m...https://www.mediamatters.org/f...https://fox59.com/2019/03/26/e...Clayton Morris Lawsuit Case No. 1:18-cv-02797-WTL-DMLhttps://onedrive.live.com/?

One attorney said it is a must, whereas other said confidently that it is completely unnecessary.

Disclaimer: While I’m a licensed attorney, I’m not your attorney.

Best to involve attorneys/lawyers as well, but it depends on the type of financing you get.  

*Real Estate attorneys are a waste of time if you are looking for foreclosures.

Some attorneys now specialize in these.

I would check in with an attorney. 

From there you build your CORE 4 which includes a great realtor, contractor, property manager, and attorney.