If they are professional, they can explain this quickly and easily.

I use residentresearch.com but have recently started using Zillows application process that the tenant can easily complete online and is very fast.

Also if you choose to refinance someday, seasoned mortgage loans can easily fetch more competitve rates in the future.

You can easily put money into a syndication and let the profits flow to you passively, but they say its best to know what you're investing in (legally they can't let you in on the deal if you don't understand it fully).

These area you can easily find MF properties that have a lot of deferred maintenance but would be able to compensate by fixing the property and raising the rents. 

She could just as easily disappear in the middle of the night without paying rent.

If they are professional, they can explain this quickly and easily.

My problem with the latest technology is that it's an unproven technology and it can easily be replaced in 5 - 10 years with something even better, easier, and cheaper.

Just have the seller Facetime a walk through -> This is a good first step but do not rely on it solely, the seller could easily hide issues from you this way.

You could easily check to see if there are any exemptions on the property taxes.