Instead of spending money in a PPC campaign which can be very expensive, especially if you don't know what you're doing, it is better to get a domain name that is keyword rich.What word or set of words do motivated sellers in the orlando area search for when they need to sell fast?

The same process exists in the US (Eminent Domain), in the UK (Compulsory Purchase) and in Canada (Expropriation).

Or should I simply purchase the domain names and wait until I get closer to returning to the states to start the site? 

To your question about property-specific emails, yes, I do have a domain name registered for my vacation rentals as a group, but am really only using that for my direct booking website and as an email redirect to my standard email for repeat customers.

All those landing pages are on the same domain and share the same Google Local Listing. tldr: Don't try to game Google Local if you don't legitimately have a physical presence in the city you're trying to create a listing in.

If so, what domain were they able to create for you?

You realize you could set up your own blog (FREE) on your own domain and connect with a mailing list company like ConstantContact or AWeber and save yourself all the expensive marketing whizbang.

Working in the public domain increase your chances of getting tagged. 

I looked at a couple of these domains and they have been seized.

For the new site, I'm focusing on a) SEO keywords in the text of the site, b) Meta-tags with keywords, c) PPC for keywordsI'm targeting various situations... for example, a) Foreclosure, b) Tired Landlords, c) Generic We Buy HousesAnd I've secured unique URLs for each of the situations.Questions for Optimizing SEO rankings:1) Do I host everything on one domain, and use domain forwarding?