You mentioned they are also doing a capital call, that is a difficult thing to contend with and, in my opinion, the decision to participate is going to depend on the operator and their communication.  

While it is difficult to find like minded people my age, and that way grow as a team and start from the same starting line.

As Ty said above holding each property in its own LLC limits liability significantly, however it can be difficult to manage and maintain the corporate vail by keeping each LLC's finances separate. 

With no experience and no money of their own, it'll be difficult to find a PML who will provide you $50K to $100K or more due to the risk.

Is it difficult to get it?

Not only will it have a negative effect on landlords, I would imagine some owners of single family homes will choose to sell to an owner-buyer, thus reducing the number of rental properties on the market, making it more difficult for renters to find places to rent.

Also, the HOA fees can make it difficult for the properties to cash flow.

In most instances they aren't less costly but they do provide a solution for difficult installation challenges.

If it is due to a condition of the property (multiple losses, unrepaired damage, etc.) it will be more difficult to get a regular company to write it. 

It is sometimes difficult to leave emotion out of it.