The estimate did include:Exterior:- New trim around windows- Repair of one window (glass was cracked, looked like a baseball strike)- Deck repair (there are two decks, one off the master suite and one larger deck off the dining room.... both need minimum of power wash and paint)- ~$1,500 in lawn care, shrub trimming, tree trimming (it was pretty bad but would look amazing with some care) (this was my estimate outside of the GC estimate)Interior:- ~$3,500 for demo (my GC actually thought $6k but hires it out to 1-800-Got-Junk and recommended that I could find a less expensive option. 

We're so excited to find that second one and have been patient enough for the price to have dropped over time to finally get it for what we want.Both front and back porch need to be redone, garage and home roof redone, outlets changed to three-prong from 2-prong and painting.

An example would be the signs you see posted advertising the company doing roofing, painting, remodeling, etc. on a property. 

my typical cleaning procedure includs steam carpet clean and professional cleaning of the interiors, fresh coat of paint and thought that should cover it all. 

Will the paint fail to adhere completely, or is it more an issue of the treatment chemicals bleeding back into the paint, or something else?  

The first being to help a family in need and the second being that I can learn how to paint, install flooring, etc. at no cost.

Painted or stained tongue and groove?

For some trades like general labor or painting it is considerably less.The $250. for the exterior door installation is a lot less than we quote.

If the wood had previously been painted the existing paint will keep the new stain from sinking into the pores. 

However, since I am saving the historic doors and overall trying to maintain the original "charm", I am playing with the idea of restoring the windows.The glass is in good condition, however in two rooms they have painted over the glass with paint (why?!