A renovation company that has already completed over 350 renovations for us will quickly do whatever touchups/repairs are necessary so we can get the property back on the market.Use electronics to control access and reduce turnover time.

Nore the rent control bullet is CA specific and I do not know how ADUs affect rent control in other jurisdictions. 

These typically include services like renters insurance, HVAC filter delivery, pest control, and sometimes utility management.

In the latter I would much rather have my money and be in control. 

The tenant understands that the property of the Tenant is not insured by the landlord for damage or loss of any kind (action of third party, fire, water, theft, vandalism, storm, heat or cold, electrical damage, pests, mold, accident, etc.), and the Landlord assumes no liability for such loss.

There are risks too, when buying condemned and burned-out houses because you may not be able to control the environment where these properties exist.

Why Part of a Good Deal is Better Than 100% of No DealHey BiggerPockets Community,As real estate investors, we all want the perfect deal—the one where we control everything, make the most money, and have the best terms.

Losing control of the process matters. 

Most of the reason I got into RE is because I control the asset.

Control of overall project staying diligent.