The downside is that the interest rate is usually 2% higher than conventional residential mortgage.

The downside is that at a minimum one is looking at $40,000 to set up an in house crowdfunding platform, about $25,000 for the legal and $10,000 - $20,000 for the minimum software.One other way to work around these issues for the relatively inexperienced would be sponsor is to go to work for, or with an established syndication company.  

The downsides...

You can call from your personal phone using the Google Voice app to keep things separate, which is the only downside.

The other large downside of crypto at the moment is the large exponential growth in ransomware attacks.

The big downside is that they're fairly expensive to work for (although not that different than most of the other big ones).

The property is in good condition the only downside is that there's a landslide that happened next to it, that needs to get cleaned up. 

Downsides?

The downside to this is that it's pretty much a sit-and-listen to Bob event, with no opportunity for networking, at least not the last time I attended, which was a long time ago. 

The downsides seem to be that it could take longer to find tenants and larger homes may require more maintenance.