Interior painting - grey ceilings?!

[James C Frank]

I've got a 3/2 "C" row home in the Middle River area, Section 8 (it's been well maintained by the same tenant for the last 7 years- she just moved out because Section 8 worked and she was able to save enough to buy a home of her own!).  

Typical wear and tear, now the place needs the interior repainted ASAP to get it back on the market.  I've been getting quotes for antique white throughout.  The quotes are running high because there are a few colored rooms that will need additional coats.  

Management co is saying their guy can do it cheaper, but they're recommending grey throughout, including the ceilings (?!)...  Their argument (just like mine with the antique white) is that bypassing corner work will save time and lessen the expense- sure, but a grey ceiling??  Also saying that grey will clean up easier and use less coats to cover the old paint in some of the rooms.  

Am I being too picky here?