Ozone first, and then, you'll need to use a good primer like Kilz or Zinser, maybe 2 coats before paint.

(after a fresh coat of paint and maybe some new flooring) I believe if I lived in one and rented out the other after one year I could move out and cash flow pretty well on this property, and get a 30yr. the only thing that I am concerned about doing is putting a large 10% to 20% down payment on this property knowing that I won’t cash flow the first year because I will be living in it.

I applied an oil base primer thinned with paint thinner and painted with a oil paint brush a thin coat.

It cost me $300 per tub, but an extra $300 if there is already a DIY coating on the tub (which is the case with almost every tub in this building) to remove.

And not only just the prep work before you paint, but there can be some good steps that are often skipped between coats.  

His body was transparent; so that Scrooge, observing him, and looking through his waistcoat, could see the two buttons on his coat behind.Be not a Scrooge!

100% have them skim coat it.

All it needed was a coat of paint in a few rooms (bedrooms were: pink; two shaded of purple with black trim; red, grey and black) and they'd patched all the holes in the walls (from hanging pictures), so they looked really bad.

You can have 5 coats of latex over a lead base paint and if it is not cracked, peeling, flaking or otherwise exposed, it will pass.1978 was the end of the lead base paint was sold.

If a tenant moves out on a Monday and 2 rooms need a fresh coat of paint before marketing the property again it can be 4 -10 man hours.