That should cause a spark of interest in the matter.

The investors would be advised to pool together some capital to retain the services of an experienced securities law firm to do an analysis of whether they have cause for complain, cause for lawsuit, and reasonable chance of collection.  

When there is a vacancy, a leaking sink, a drip from the roof, a fallen branch from a tree, storm damage, a rough tenant, a potato down the toilet...whatever expense comes up in the future, and they always come up, that is what the cash flow is for. 

In the rare case of the property causing the liability you are going to be sued personally as well.

Maybe it’s cause they had it too easy.

What if it is your unit causing the water leak and there is mold and it's a $100,000 remediation that requires living elsewhere for 2 weeks while it is cleared. 

It helps me to pinpoint what actually causes income/occupancy to go up or down.

Not an issue here, but my mom just got a new roof in MN because of hail damage.

"Just a little damage" Walks flat, needs roof and cosmetics. 

Or it could be that the recipient inadvertently dropped the email (it happens).But if two-way communication has been established and you’ve found that the sponsor is consistently slow to respond, that would be cause for concern.