All ceilings has to be scraped down bare and repainted what is nightmare this was.

The profit is yours on resale once you have put in carpet and repainted.

Before I have only repainted and replaced carpet to eliminate the smell.Is there other measures that I should take for this extreme case to rid the smell, that I should include in my repair budget?

The bigger the house, the more it costs to repaint, refloor, etc., and since rents are based more on # of bedrooms/baths then they are square footage (unlike purchasing), I think you could do just as well with a 1200-1500 s.f. house, which is still very rentable at $1150-1250.Trends are showing renters (and even homeowners for that matter) prefer smaller properties now, so be mindful of this before you purchase a house that big.

A tenant applicant asked if she could repaint the rooms in the color of her choice.She doesn't know the color of her choice yet.How do you all handle that?

You don’t have to repaint, but do something like hang up a wind chime, put a pink flamingo up, or hang something big and blatant in a window.More Aggressive StrategiesIf your property is in the city of Detroit proper, you’ll need to go the extra mile.

Can the walls be cleaned and repainted, or do you have to rip out the sheet rock and replace?

Once for massive cat urine (after tearing out floors, bleaching and sealing foundation) and another time for cigarette smoke (after replacing carpet and repainting).

Personally if it's good shape I wouldn't worry about it until it's time to repaint.

These were on homes built in early 2000's and likely have never been re-painted since built.