One really needed to have a good feel for the local market on the ground - Hipster and young professional immigration (regardless of race) into a neighborhood was usually a good forecaster...Question: Are there any other 'very soon to emerge' great Brooklyn, perhaps even Queens,  or other NewYork neighborhoods you think are great areas to invest in NOW? 

Glad it wasn't an expensive deal.I had lots of fun issues, including the buyer I was owner financing to through them decided they didn't want it anymore and just moved out, moving someone else in and not telling anyone, the someone else being an illegal immigrant family, the "property manager" ATW had at the time quit and decided he wanted to go back to being a dentist or something, of course I never found out about this until I called them repeatedly about why my payments were missing. 

Looking for advice on some logistics for starting out (what do I need to set up in Canada after I set up my US business, taxes, and do I need to worry about immigration at all?

Depending on your service, I would probably search and see other real estate webistes just to see how they set theirs up and what kind of information they publish on-line.Getting a website is easy, but deciding what you want to put on it and what kind of flexibility or features you need for you site may be more important.My company is Immi-Nest, (Immigrate to your nest).... we help people move to homes they are financially and physically comfortable.

These markets have low immigration rates and very low new construction rates.

5 illegal immigrants just died in Metro Detroit this past week from a fire that started in the basement they were staying in.

Tech startups tend to be about doing things in new ways, have a global focus and are often started by immigrants, etc.. 

(she moved to Canada two days later, and they were married there a couple months later)This was under the prior administration, and they seem a lot more active now, and I doubt that "Sanctuary Cities" will work to help Canadians (plus this guy was hogtied and hauled off by Immigration not the local authorities).Where I'm going with this, is if you screw this up relying on random internet information it could be very uncomfortable for you.It's probably best to check with an attorney who handles this type of Visa.Good Luck! 

More companies Will start up here in Bay Area, and some will become the next Google or whatever.The real appreciation driver is the innovative spirit of the diverse population, including high percentage of new immigrants here.

You forgot about immigration.