It went from "down river blue collar" to seriously high dollar, highly sought after Real Estate.

I think the 4 plex depending on the parking and if they have a garage or not... but basically larger apartments the management is much stricter.  4 plex not so much.. the few I have had and the one's I brokered were all rented by more tradesmen type blue color workers or a lot of kiddleeswere as apartments tend to have more of your single folks single women. etc for the safety aspect and or those that want the amenities.. but you can buy a 4 plex move in and chose your neighbors.. little known nugget is that is you owner occ. a  4 plex you can discriminate to your hearts content.. you want only older folks No problem.. you want only college coeds no problem  any one you choose.

Like yourself I prefer blue collar working class downs and try to stay out of the rougher areas.regards,Chris

South Jersey definitely has some neighborhoods outside in Camden and Gloucester counties which are more "blue collar" suburban neighborhoods where you can buy some good multifamily residences.

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What type of tenant is likely to live in the property (by type I mean white collar, blue collar, no collar), and how stable is their financial situation?

Most Turn Keys are viewed as passive income (blue chip stock). 

Ya, once in a blue moon someone cares more about minimal down or CoC ROI than they do about finance charges, and we will do an 85% LTV SFR investment property.

not sure if I'm understanding the point of this thread If the point is there's very few places to live where you can work a regular job and own a  house I would completely disagreeOff the top my head I could Name 30 towns in upstate New York where A couple could work blue-collar jobs and Easily afford a home and live in a perfectly safe happy friendly community 

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