And don't forget to breathe! 

One of the major issues I am having is trying to figure out the best way to structure a company to accept money from many investors, how to attract many different investors from all over the continent (North America), and how the interest structure would be worked out for future investors.

I will endeavor to proof my messages in future.I would rather do REI your style, owning-wholesaling rather than assigning - as it appears to be a cleaner & more attractive way of doing business. 

What creative marketing tactics or techniques have you used to attract buyers?

take a deep breath, and wait.  

I have a question about cold-calling investors about potentially selling their property.Not having much success on the MLS, I have a system in place that I have been using to garner leads for owners of attractive multi-family properties.

He is not in the investment side of the business - it appears he is trying to attract retail buyers and sellers.  

I'm now looking for redevelopment opportunities around Lake Merritt in Oakland that present an attractive risk/return provide.

This would include squeeze pages that would attract sellers/buyers/investors.

Flight capital from around the world is attracted to the safety of the US, but it is disproportionately invested in just a few markets, like New York, causing those markets to become distorted and raising prices across the board for real estate.