In my mind these are minor issues.My first investment property purchase was a 100 year old two-story duplex where the foundation and support beams had weakened and the floors were 9 inches off level.

I'm only weakening my position by doing so.Thanks again for everyone's input. 

I have heard some realtors will provide comps, but does this weaken my negotiation?

Insurance: It, in theory, weakens the integrity of the roof because there is something puncturing the roof.

Could posting on a public forum weaken your defense?  

If you do not have your teams in place ahead of time, you are placing yourself in a weakened position for any negotiation.

@David Taylor  as others have mentioned, discretionary spending can go out the window if the dollar weakens ( which it will ).

Once the come ashore, the weaken rapidly. 

Using at a substitute for math skills weakens the REI's ability to negotiate, and to recognize deals. 

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