Fill the nailholes, replace pulls with modern bar pulls (Amazon $1.25/ea), and replace the hinges with hidden hinges (You can buy non-morticed hinges on amazon or from DL Lawrence hardware, you'll have to install blocks inside the cabinets behind the face frames since you have face frame cabinets (sitka or liquid nails will work).

Not the nail job you want on a ridge board supporting the ridge of your roof.

___________@Barry Gazzard you nailed this on the head.

But, it seems to be industry practice in my area to not nail anybody down very much.

Bob frickin' nailed it!  

price per sq ft is difficult to nail because everyone has a different trim level to which they are completing the home.

When you are a hammer, everything looks like a nail, and there are always people out there who try to hold you back by telling you that you can't do this and you can't do that.Anyone receiving a commission on a property in which they have no ownership interest needs to hold a sales license, so structure your bird dog program properly so that you are not paying the bird dog fee as a commission.

Pull nails through back side of baseboard.3.

You've just about got it nailed with a couple changes in your understanding that will actually help you.1.

@Jeff Plair @Marcia Maynard has hit the nail on the head as they say.