I recognize that greater risk delivers greater rewards; I risked quite alot when I got started in RE; I am enjoying a low risk, low stress lifestyle now.

Depending on how it is to be delivered, provide extra days to allow for that.

If I assume the sponsor will deliver the result as promised and the market will be good next 5 years.

He'll deliver it with a clear title as he owes on a loan against the property (not sure how much). 

Many OOS investors set themselves up for failure because they don't invest the time to ACTUALLY understand:1) The Class of the NEIGHBORHOOD they are buying in - which is relative to the overall area.2) The Class of the PROPERTY they are buying - which is relative to the overall area.3) The Class of the TENANT POOL the Neighborhood & Property will attract - which is relative to the overall area.4) The Class of the CONTRACTORS that will work on their Property, given the Neighborhood location - which is relative to the overall area.5) The Class of the PROPERTY MANAGEMENT COMPANIES (PMC) that will manage their Property, given the Neighborhood location and the Tenants it will attract - which is relative to the overall area.6) That a Class X NEIGHBORHOOD will have mostly Class X PROPERTIES, which will only attract Class X TENANTS, CONTRACTORS AND PMCs and deliver Class X RESULTS.7) That OOS property Class rankings are often different than the Class ranking of the local market they live.8) Class A is relatively easy to manage, can even be DIY remote managed from another state.

Yes I also came across their ad and website a while ago, they are using 3D printing and is basically a modular model much similar to a shipping container house but 3D printed and with different type of material that they deliver and use a crane to put it on the foundation.

Or who insures the injury to the Amazon driver delivering to the STR guest when they fall in the driveway. 

NOD, Summons and Complaint, Sherriff delivers, it costs money, do not let it stress you just keep to the course of operating your business.3.

To recover that expense from the end buyer, you can't deliver a product that is perceived to be "cheap." 

You need to either hand deliver it to the tenant directly or send a certified letter and then wait 10 days before you can move forward.