Do you usually amend the terms of or attach addendums to contracts provided by the contractor?  

The more appropriate response for them would be to hold a vote from all owners to amend the bylaws to restrict rentals in a certain manner.

Does this seem like a good idea to you if they accept our amendment? 

They might even have to amend their governing documents to exclude that land from their property which you might be required to pay for.

I also pointed out that in wholesaling in particular integrity is everything and suggested he amend his listing to reflect the known defects in the property and possibly lower his price to reflect that.

Not trying to start a political battle but Indiana is very second amendment friendly.

Here in Illinois you can form one online on state website for 600 in 24 hours.Then amend the contract and replace your name with your newly formed LLC name OR simply assign the contract to your LLC for $0.You can definitely form it before you have one under contract.

Read ALL the amendments FEMA posts concerning wether or not what was at one time a no flood zone now is.

Then, to my horror, I learned that this unscrupulous woman tried to get my borrower to sign her docs, cutting my commission out and putting an irrevocable amendment into escrow. 

As opposed to starting over with the foreclosure, I assume the bank will reopen the foreclosure case, vacate the sale where they received it, and amend the foreclosure to include the heirs.