The agreement should address the initial participation of each member (i.e who contributes what money and which skills); the ongoing responsibilities of each member;  procedures for exit of any of the members (both by choice and with a push) - e.g. to whom may they sell their interest, who has first right to purchase the interest, etc.You may likely think such a formal agreement an unnecessary expense at this point and an activity which may put tension on the bonds of friendship.  

She turned out to be a great tenant, so our friendship remained intact.

He should help guide you through out of the kindness of his heart because he values your friendship.

Looking to build partnerships and friendships!

No need for all the complexity and potential challenges to your friendship.

Real Estate is our future, it will always be here, it will always go up and down and it will always be an opportunity in any market to make money and build lots of friendships.

The friendship makes it more complicated, in my opinion than easier.

hi, all I'm new to this and I want to learn as much as possible and find lenders,partners,friendships, and build a busniess! 

His friendship has been so important to my success, because I would have gotten involved in some pretty bad deals without his knowledge.

I have developed some great friendships among my older landlord friends.Good luck.