This economy of scale will volunteer the biggest disadvantage of adding an ADU.  

I think the biggest difference compared to traditional syndication/reg A/Reg D is that you don't have to be accredited to invest in fractional ownership (at most fractional companies at least).

Unless your rent request is higher than whay they will pay, then the tenant needs to come up with the rest.The tenant and the screening process if the biggest part of the equation.

If you hold both (the second for wildfires because of the garage), overinsure.Your last post said you were trying to avoid headaches and these are both guaranteed to be emotionally draining and the biggest headaches based on your description of the upkeep on both, but I get it.

Many government entities are trying to do this already, but the impact is too small and costs are too high for it to really make a difference as far as scale.Provide incentives for developers to build and for people to move to areas with existing land and infrastructure to @Jay Hinrichs point. 

You can hire hourly staff with bonus incentives to help you do your volume.

The biggest rent decreases were seen in Nashville (-4.8% YoY), DFW (-4.0%), Denver (-4.0%), and Austin (-3.7%).

The biggest thing though is wherever you invest you hand select a great team to help you get started from a great realtor, contractor, property manager, and attorney

- What tax credits or incentives might be available for first-time investors or those purchasing multifamily properties?

What are the biggest pain points you've encountered when trying to find distressed or off-market properties?