If I buy for 325k, put 105-125k into it and sell at 575-600k, I'm good with that margin as we've proven it works, have a grasp on that market and hold time, and floor price. 

It is duplex where the first floor is fully rented out.

Fix up the wall in the 2nd floor bedrooms.

flooring and updated appliances What was the outcome?

Keep in mind, mobile homes have unique problems and unique maintenance issues so it pays to educate yourself on them, particularly any built prior to 1980.I bought a trailer home for $3,000 that was fully furnished with newer kitchen appliances, newer furnace, new air conditioner, new flooring, and it was two doors down from the managers residence.

I currently am doing a 1300 sq ft 2 bed, 2 full bath, half gut with all new electric, new framing, mostly new drywall, move a structural wall with nice finishes for $80k.As for where to find cheap labor, Home Depot, Floor and Decor, and just searching google and calling. 

The entire building is brownstone brick, first floor looks as if it was painted over, however the second and third floor have been sandblasted.

Renovated bathroom, removing yellowed and leaking shower liner and replaced with tile. upgraded bathroom flooring from sheet vinyl to herringbone wood-look tile.

Rip off the front deck, add columns, siding, windows, roof, add driveway, refinish floors, rewire entire house, re plumb 90%, board/plaster/paint, Rent.

New flooring from carpet to vinyl flooring that looks like hardwood.