Alternately you would be entitled to a contractors fee to do the required work (pressure wash).

As to the previous owner, story was, he left town or in hiding.

Even if your cost vs exit price increase is a wash, your sale will undoubtedly be quicker and time is money.

You will be done with the first room before the other person even picked out a color and had it mixed at the store....Plus, use the good stuff (whatever brand that may be for you) and you may get out of some shorter tenancies or one with lower wear and tear tenants with just a touch up and by washing walls.

As others have noted: wash it, lightly scuff-sand it, use the best primer you can stand to pay for & use a semi-gloss topcoat. 

We had a tenant request we power wash the house because it was dusty, he would mow but had foot tall weeds everywhere, and let all the landscaping go to crap.

paint the brick whet or white wash it, but leave the hearth as is.

It has a 15 washer/15 dryer laundromat on site, as well as a 3 bay coin op car wash with 6 vacuums.

Personally I like equal bowl sizes, both deep.I still hand wash no idea why I even have a dish washer so I put all dishes on one bowl wash and transfer to the other bowl, then rinse and put on dish rack.  

At the end of the day it's probably all a wash since we have to state tax here.