My only solution right now is: I am lucky enough to have a handy tenant living in town, where I can call him to swing by, and help strapping the leak until the plumbing company is able to come by the next day to properly fix it.

A high utilization of credit cards is a major negative factor for a credit score. 

Poker table with chips and cards. 

We turn in to title the PSA with the SF Addendum and let them get it all drafted properly.

Does anybody have advice on how to properly adjust our offer price to reflect the risk associated with these unpermitted alterations?

I think lot's of times people do not think about TIME properly.

Make sure it is pressure treated wood, and properly secured into the brick. 

This is Not a “figure it out as you go” project......many times the short sale is doomed when the purchase contract is signed, not considering all the proper factors that a first timer would never have heard of. 

The BRRRR method can be extremely versatile if executed properly.

But doesn't that Costco card cost money?