My grandparents bought several condos in Destin, FL back in the 90's before things really blew up there.

I plan on specializing in the location I retire (to be determined) for the fix and flip, and in destination locations that I want to visit for rentals.

Not in my opinion, you should be fine unless it is a neighborhood with first time homeowners trying to get in.Also Airbnb--Is your town a year-round destination?

Phoenix is obviously going to be leading the charge on that.The main population segments moving here are going to be:1) Retirees from colder states (Florida #1 destination, Arizona #2) Over 10,000 people turn 65 every day.2) Younger Generations from California (mostly from SoCal - Median home price is double Phoenix's)The main thing that'll keep the ball rolling is young families from more expensive markets like California.

Our OP gets offended by the thought of such unruly things.Also, I don't think OP is considering marriage as being a reasonable option (see reference to commitment of dating for 4 years) because the majority of marriages are destined to fail, but business relationships with girlfriends of 4 whole years do not? 

Cruised the timber and got a Timber advance from Menasha for 1.6 million  . 

I always teach people that unless you know where you are going, meaning your final destination end goal.

If you invest outside of your interests and abilities, you are destined to give up or fail. 

Wifey and I returned a week ago from a land tour and cruise in the Arabian Sea.

We need people with money Rich Weese to keep taking cruises, buy RVs and more RE because his rents and RE are going up and financing costs are decreasing.