To answer your questions, yes in the future the standard connection will be phased out and have to migrate to the new connection.

2-minute intro: Migrated to Rochester 5 years ago after graduating high school to attend MCC.

Sometimes Cities/Counties will have this information on their website so potential migrators can understand the cost of living for that area. 

It's a company / job migration play that has been going on for some time and seems to have solid legs.  

Sunbelt states where biz and household migration is a good place to confine your scope.

Rookie - hopefully migrating into intermediate territory :)I've been in it going on two years, house hacking a 5 bed 3 bath home and own 10 mobile homes with a partner.In a year and a half, I've approximately tripled my net worth and currently have about $2500/month in cash flow while living for free!

As most Fort Campbell soldiers migrate further away from Ft Campbell for their housing needs (exit 8, exit 11 etc) Oak Grove will hopefully wither and die off. 

Also looking to build an API on both macro- and micro-economic factors such as median wage, unemployment, county migrations, etc from Census Data, to find good counties/metro areas and then have a more micro-level filtering based on factors Eric mentioned.

In addition Real estate taxes don’t reassess on the sale, insurance is low and we continue to have increased in migration, jobs (no state income tax) and our own land constraint issues which prevent the market from getting overbuilt.

I have had a growing number of investors who have previously only bought South Philly start migrating up towards the NW of Philly towards Germantown, West Oak Lane, and Mount Airy.