Offer to compromise.

You will want to discuss this with Seller if they are going to fix the lateral.It would be reasonable for the seller to compromise with you.

Then I had my roofer go out and look at the roof to ensure there were no leaks or any of the roof compromised in any way.The remediation company did say there was some moisture in the attic in a small area where the outer part of the roof contains leaf debris.

If not maybe a compromise is in order. 

It's really up to you if you want to do the work - you could always compromise with them.

If you try to make one property do both, you're going to have to compromise. 

Acquiring property from anyone about 60 years of age or older will, IMHO, increase your chance of exposure to a relative who, believing their future inheritance has been compromised, be quick to try and unwind your deal if you are not careful, citing elder abuse.

Gradually building your real estate portfolio without compromising your retirement security.4.

Once you hire them as your Buyer Agent, they now owe you several fiduciary duties, including loyalty (meaning they have to keep your best interests above their own and others whom they don't represent), confidentiality (they can't tell a seller or seller's agent anything about you that would compromise your negotiating position), and disclosure (meaning if they know anything about a seller or a property that could help you, they must tell you). 

If your email is compromised, you could have an obligation to report to all of your prior applicants that their information may be at risk.