You won't know what you find until you pull the roof off and look at the decking.We have a commercial project right now for a 11,000 sq ft roof and 3 estimates it is about 45,000 but doesn't include if certain items are found.There was a larger section of the roof we took core samples on to check integrity underneath the new membrane that was added about 7 years ago.1,500 sq ft is  smaller job so I would think your quote will be higher than the larger jobs due to smaller overall profit.There are generally 2 warranties with one from the roofing company and one from the manufacturer. 

if you’re making a remote investment, you are 100% reliant on the quality and integrity of the partners you’re choosing...again, caveat emptor.

Light sanding does not impact the structural integrity of structural wood.Following that, a treatment with Kilz or Fosters encapsulating paint on the structural wood is OK as that will ensure that any hyphal matter that you missed does not become further airborne.Mold investigations and remediation are a science.  

I replaces the window with a fiberglass window from Marvin's Integrity model and love it. 

CAZA Groups are super because the leadership promotes integrity-driven networking, something I greatly admire. 

Honesty and integrity are key.  

Could be a cool thing, and Tucker has the reputation of having integrity with what he puts out.

If it is a storage room and integral to the building, then yes put a keyed door knob on it.

It's cheap, $ 7/user/month when using Google Apps (or free) and integrates with Google (mail, calender, drive) and MS Office 365, and many other products (Quickbooks, Evernote, Mailchimp and such).

I feel that it is never good to compromise your personal integrity.