Some projects took me a lot of trial and error, and long days.

I would count that experience as his personal "trial by fire".Another late sponsor I know was a wealth manager in 2008 and oversaw huge stock market losses of his own and his clients.

Another user suggested for me to come up with a few variations in size and ask for quotes on those so that I can have landmark figures for my estimation.

One variation you could consider (though I’ve not heard of it done in REI before; speaks more to my relative newness to the field than anything else) is convertible debt.

An attorney will never guarantee you can win at trial, a CPA will never guarantee you won't get audited and an inspector won't ever guarantee the house they just looked at won't fall apart.  

Are these units all the same or is there variation in size and features?

Hey @Wes Blackwell,Have you seen folks trying to use this strategy, this strategy that I'm just kind of making up right here on the spot as a variation of something I've done in the past?"

Any variation of the question can be answered, such as "Do I need an LLC before I start investing?""

An actual offer is much more valuable than an estimated value.But a lot depends on the audience you're marketing to as there is quite a bit of variation in investing strategies.Back to the original question posed in this thread, about whether to have the sites separate, I would say definitely keep them separate.  

A variation of those three questions is to ask if they know anybody else that is looking ...