They're usually a last resort and the borrower is perceived by the seller as more risky. 

The young guns can mean well, but may make poor decisions and don't have the personal balance sheets to support their deals before resorting to capital calls.

But on this deal the rehab costs went way way over budget and I had to resort to trying to sell the property in order to cut my losses.

My end goal is to have an investment, development and a property management company under one holding company (marinas, all inclusive resorts, concert halls, apartment complexes, etc....

At that point, I guess my last resort is to go to the foreclosure or probate auction (whichever comes first).  

This can be a good option (especially if the other option is not investing at all), but I think that you should consider it as a last resort unless you are also getting something other than money (i.e. someone with a lot of experience who can teach you). 

Improve my Spanish and go to few all inclusive 5 stars resorts in Dominican Republic and Latin countries .

The property is in a pretty big resort complex and I'm not sure if there are any restrictions on lockboxes. 

So I have resorted to trying to get his attention to deal with this situation and return my money in this manner.

But I would only use this as a last resort.